21634525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 29515968

約数和(自身を除く): 7881443

約数列:

[1, 5, 11, 25, 55, 151, 275, 521, 755, 1661, 2605, 3775, 5731, 8305, 13025, 28655, 41525, 78671, 143275, 393355, 865381, 1966775, 4326905, 21634525]

約数ペア:

[(1, 21634525), (5, 4326905), (11, 1966775), (25, 865381), (55, 393355), (151, 143275), (275, 78671), (521, 41525), (755, 28655), (1661, 13025), (2605, 8305), (3775, 5731)]