there are 21 multiples.
12 has six divisors.
84 has 12 divisors.
infinite; positive are 9
2, 6, 74 and 222 Four of them.
98 of them.
10 positive integral divisors: 1 2 3 4 6 8 12 16 24 48.
The squares -- nine of them.
Four of them.
4, 12, 36
Three of them are . . . 4, 12, and 36.
Out of the list of common factors, choose the ones that end in zero.
there are 21 multiples.
The positive divisors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48.
10
8 of them.
165 has eight divisors: 1 3 5 11 15 33 55 165.