21041548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3167}}^1$

素因数の和:3333

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 19407476

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3167, 3322, 6334, 6644, 12668, 34837, 69674, 139348, 478217, 956434, 1912868, 5260387, 10520774, 21041548]

約数ペア:

[(1, 21041548), (2, 10520774), (4, 5260387), (11, 1912868), (22, 956434), (44, 478217), (151, 139348), (302, 69674), (604, 34837), (1661, 12668), (3167, 6644), (3322, 6334)]