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They are 1, 3, 7, 21.

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โˆ™ 2015-08-29 09:10:26
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Q: What is the divisors of 21?
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Related questions

What are the divisors of 21?

1,3,7, and 21


What are the divisors of the number 21?

The divisors of 21 are: 1, 3, 7, 21.


What are the divisors of 147?

The divisors of 147 are 1, 3, 7, 21, 49, 147.


What are th divisors of 42?

The divisors of 42 are 1, 2, 3, 6, 7, 14, 21, 42.


What is the number of divisors for 105?

There are 8 divisors of 105 (viz: 1, 3, 5, 7, 15, 21, 35, 105)


What are the divisors of no 63?

1, 3, 7, 9, 21, 63.


How many odd divisors does 756 have?

Eight. The odd divisors of 756 are: 1, 3, 7, 9, 21, 27, 63, 189.


Why 21 is not a perfect number?

First, you want to know the definition of a perfect number: A perfect number is an integer which is equal to the sum of all its positive integer divisors that are less than itself. Example: The positive integer divisors of 6, less than 6, are 1, 2, and 3. The sum of those divisors is 1 + 2 + 3 = 6. Therefore, 6 is a perfect number. Now, 21 does not meet this definition and therefore is not a perfect number. Let's try it. There are three positive divisors of 21, namely, 1, 3, and 7, that are less than 21, itself. (There are no others.) But the sum of these divisors is 1 + 3 + 7 = 11, which is not equal to 21. Therefore, we confirm that 21 is not a perfect number.


What are all of the divisors of 63?

1, 3, 7, 9, 21, 63


What are all the divisors of 63?

1, 3, 7, 9, 21, 63.


What are the divisors of 357?

1, 3, 7, 17, 21, 51, 119, 357.


What are the divisors of 42?

1, 2, 3, 6, 7, 14, 21, 42.


What are the divisors for 42?

1, 2, 3, 6, 7, 14, 21, 42.


What is the single-digit divisors of 3456?

The single-digit divisors of 3,456 are: 1, 2, 3, 4, 6, 8 and 9.


What are the divisors of 63?

The divisors of 63 are: 1, 3, 7, 9, 21, 63.


What are all the divisors for 231?

1, 3, 7, 11, 21, 33, 77, 231.


What are the divisors for the number 42?

1, 2, 3, 6, 7, 14, 21, 42.


What numbers go into 147?

The divisors of 147 are 1, 3, 7, 21, 49, and 147.These do: 1, 3, 7, 21, 49, 147.


What is a defcient number?

It is a number for which the sum of the proper divisors is less the the number. Example: 21 has divisors 1, 3, and 7. The sum is 11 which is less than 21. Note: All prime numbers are deficient and as there are an infinite number of them, there are an infinite set of deficient numbers too.


Is the number 21 abundant or deficient or perfect?

It is deficient: It's only proper divisors are 1, 3, and 7, which sums to 11, which is less than 21.


What are the divisors of 84?

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84


What is 16's Divisors?

2,4,8 (1 and 16 are divisors too, but the number and 1 are always divisors)


What are two divisors of 293?

293 only has two divisors because it is a prime number. The divisors are 1 and 293.


How do you use divisors?

Divisors are used to divide numbers.


How many divisors does 2835?

2,835 has 20 divisors.