21427170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9041}}^1$

素因数の和:9130

約数の個数: 32

約数和(自身を含む): 52081920

約数和(自身を除く): 30654750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 9041, 18082, 27123, 45205, 54246, 90410, 135615, 271230, 714239, 1428478, 2142717, 3571195, 4285434, 7142390, 10713585, 21427170]

約数ペア:

[(1, 21427170), (2, 10713585), (3, 7142390), (5, 4285434), (6, 3571195), (10, 2142717), (15, 1428478), (30, 714239), (79, 271230), (158, 135615), (237, 90410), (395, 54246), (474, 45205), (790, 27123), (1185, 18082), (2370, 9041)]