21174730

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 39507840

約数和(自身を除く): 18333110

約数列:

[1, 2, 5, 10, 37, 74, 151, 185, 302, 370, 379, 755, 758, 1510, 1895, 3790, 5587, 11174, 14023, 27935, 28046, 55870, 57229, 70115, 114458, 140230, 286145, 572290, 2117473, 4234946, 10587365, 21174730]

約数ペア:

[(1, 21174730), (2, 10587365), (5, 4234946), (10, 2117473), (37, 572290), (74, 286145), (151, 140230), (185, 114458), (302, 70115), (370, 57229), (379, 55870), (755, 28046), (758, 27935), (1510, 14023), (1895, 11174), (3790, 5587)]