21562425

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2102

約数の個数: 36

約数和(自身を含む): 39461760

約数和(自身を除く): 17899335

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2039, 2115, 3525, 6117, 10195, 10575, 18351, 30585, 50975, 91755, 95833, 152925, 287499, 458775, 479165, 862497, 1437495, 2395825, 4312485, 7187475, 21562425]

約数ペア:

[(1, 21562425), (3, 7187475), (5, 4312485), (9, 2395825), (15, 1437495), (25, 862497), (45, 479165), (47, 458775), (75, 287499), (141, 152925), (225, 95833), (235, 91755), (423, 50975), (705, 30585), (1175, 18351), (2039, 10575), (2115, 10195), (3525, 6117)]