21902985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37441}}^1$

素因数の和:37465

約数の個数: 24

約数和(自身を含む): 40886664

約数和(自身を除く): 18983679

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37441, 112323, 187205, 336969, 486733, 561615, 1460199, 1684845, 2433665, 4380597, 7300995, 21902985]

約数ペア:

[(1, 21902985), (3, 7300995), (5, 4380597), (9, 2433665), (13, 1684845), (15, 1460199), (39, 561615), (45, 486733), (65, 336969), (117, 187205), (195, 112323), (585, 37441)]