21946870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 43462656

約数和(自身を除く): 21515786

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1571, 2794, 3142, 6985, 7855, 13970, 15710, 17281, 34562, 86405, 172810, 199517, 399034, 997585, 1995170, 2194687, 4389374, 10973435, 21946870]

約数ペア:

[(1, 21946870), (2, 10973435), (5, 4389374), (10, 2194687), (11, 1995170), (22, 997585), (55, 399034), (110, 199517), (127, 172810), (254, 86405), (635, 34562), (1270, 17281), (1397, 15710), (1571, 13970), (2794, 7855), (3142, 6985)]