21460985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 10617607

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 455, 467, 505, 707, 1313, 2335, 3269, 3535, 6071, 6565, 9191, 16345, 30355, 42497, 45955, 47167, 212485, 235835, 330169, 613171, 1650845, 3065855, 4292197, 21460985]

約数ペア:

[(1, 21460985), (5, 4292197), (7, 3065855), (13, 1650845), (35, 613171), (65, 330169), (91, 235835), (101, 212485), (455, 47167), (467, 45955), (505, 42497), (707, 30355), (1313, 16345), (2335, 9191), (3269, 6565), (3535, 6071)]