21096811010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17435381}}^1$

素因数の和:17435410

約数の個数: 24

約数和(自身を含む): 41740304508

約数和(自身を除く): 20643493498

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17435381, 34870762, 87176905, 174353810, 191789191, 383578382, 958945955, 1917891910, 2109681101, 4219362202, 10548405505, 21096811010]

約数ペア:

[(1, 21096811010), (2, 10548405505), (5, 4219362202), (10, 2109681101), (11, 1917891910), (22, 958945955), (55, 383578382), (110, 191789191), (121, 174353810), (242, 87176905), (605, 34870762), (1210, 17435381)]