21000377050

素因数分解:

$2^1\times 5^2\times {\mathrm{11491}}^1\times {\mathrm{36551}}^1$

素因数の和:48054

約数の個数: 24

約数和(自身を含む): 39065169312

約数和(自身を除く): 18064792262

約数列:

[1, 2, 5, 10, 25, 50, 11491, 22982, 36551, 57455, 73102, 114910, 182755, 287275, 365510, 574550, 913775, 1827550, 420007541, 840015082, 2100037705, 4200075410, 10500188525, 21000377050]

約数ペア:

[(1, 21000377050), (2, 10500188525), (5, 4200075410), (10, 2100037705), (25, 840015082), (50, 420007541), (11491, 1827550), (22982, 913775), (36551, 574550), (57455, 365510), (73102, 287275), (114910, 182755)]