21221178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4799}}^1$

素因数の和:4882

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 25780422

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 201, 402, 737, 1474, 2211, 4422, 4799, 9598, 14397, 28794, 52789, 105578, 158367, 316734, 321533, 643066, 964599, 1929198, 3536863, 7073726, 10610589, 21221178]

約数ペア:

[(1, 21221178), (2, 10610589), (3, 7073726), (6, 3536863), (11, 1929198), (22, 964599), (33, 643066), (66, 321533), (67, 316734), (134, 158367), (201, 105578), (402, 52789), (737, 28794), (1474, 14397), (2211, 9598), (4422, 4799)]