21540435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{757}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 39585792

約数和(自身を除く): 18045357

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271, 757, 813, 1355, 1897, 2271, 3785, 4065, 5299, 5691, 9485, 11355, 15897, 26495, 28455, 79485, 205147, 615441, 1025735, 1436029, 3077205, 4308087, 7180145, 21540435]

約数ペア:

[(1, 21540435), (3, 7180145), (5, 4308087), (7, 3077205), (15, 1436029), (21, 1025735), (35, 615441), (105, 205147), (271, 79485), (757, 28455), (813, 26495), (1355, 15897), (1897, 11355), (2271, 9485), (3785, 5691), (4065, 5299)]