21937790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44771}}^1$

素因数の和:44792

約数の個数: 24

約数和(自身を含む): 45936072

約数和(自身を除く): 23998282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44771, 89542, 223855, 313397, 447710, 626794, 1566985, 2193779, 3133970, 4387558, 10968895, 21937790]

約数ペア:

[(1, 21937790), (2, 10968895), (5, 4387558), (7, 3133970), (10, 2193779), (14, 1566985), (35, 626794), (49, 447710), (70, 313397), (98, 223855), (245, 89542), (490, 44771)]