21897625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{5651}}^1$

素因数の和:5697

約数の個数: 16

約数和(自身を含む): 28214784

約数和(自身を除く): 6317159

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 5651, 28255, 141275, 175181, 706375, 875905, 4379525, 21897625]

約数ペア:

[(1, 21897625), (5, 4379525), (25, 875905), (31, 706375), (125, 175181), (155, 141275), (775, 28255), (3875, 5651)]