21314110

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{4091}}^1$

素因数の和:4619

約数の個数: 16

約数和(自身を含む): 38448432

約数和(自身を除く): 17134322

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 4091, 5210, 8182, 20455, 40910, 2131411, 4262822, 10657055, 21314110]

約数ペア:

[(1, 21314110), (2, 10657055), (5, 4262822), (10, 2131411), (521, 40910), (1042, 20455), (2605, 8182), (4091, 5210)]