21000453625

素因数分解:

$5^3\times {\mathrm{19207}}^1\times {\mathrm{8747}}^1$

素因数の和:27969

約数の個数: 16

約数和(自身を含む): 26212927104

約数和(自身を除く): 5212473479

約数列:

[1, 5, 25, 125, 8747, 19207, 43735, 96035, 218675, 480175, 1093375, 2400875, 168003629, 840018145, 4200090725, 21000453625]

約数ペア:

[(1, 21000453625), (5, 4200090725), (25, 840018145), (125, 168003629), (8747, 2400875), (19207, 1093375), (43735, 480175), (96035, 218675)]