21946665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 38054016

約数和(自身を除く): 16107351

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 467, 723, 1205, 1401, 2335, 3133, 3615, 6071, 7005, 9399, 15665, 18213, 30355, 46995, 91065, 112547, 337641, 562735, 1463111, 1688205, 4389333, 7315555, 21946665]

約数ペア:

[(1, 21946665), (3, 7315555), (5, 4389333), (13, 1688205), (15, 1463111), (39, 562735), (65, 337641), (195, 112547), (241, 91065), (467, 46995), (723, 30355), (1205, 18213), (1401, 15665), (2335, 9399), (3133, 7005), (3615, 6071)]