1, 11
Since 11 is a prime number, its only divisors are 1 and itself.
The divisors of 121 are: 1, 11, 121.
The divisors of 22 are: 1, 2, 11, 22.
The divisors of 99 are: 1, 3, 9, 11, 33, 99.
99 has six divisors: 1, 3, 9, 11, 33, 99.
22 has four divisors (also called factors): 1, 2, 11, 22.
1, 2, 11, 22.
1, 2, 11, 22.
1, 2, 11, 22.
1, 3, 11, 33
2. That is the only one. And the 11 divisors are 2k where k = 0, 1, ,2, ... , 10
231 has 8 divisors.