21734583

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 31692672

約数和(自身を除く): 9958089

約数列:

[1, 3, 13, 39, 163, 169, 263, 489, 507, 789, 2119, 3419, 6357, 10257, 27547, 42869, 44447, 82641, 128607, 133341, 557297, 1671891, 7244861, 21734583]

約数ペア:

[(1, 21734583), (3, 7244861), (13, 1671891), (39, 557297), (163, 133341), (169, 128607), (263, 82641), (489, 44447), (507, 42869), (789, 27547), (2119, 10257), (3419, 6357)]