21061953

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2693}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 33621120

約数和(自身を除く): 12559167

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 2693, 7821, 8079, 24237, 29623, 88869, 212747, 266607, 638241, 1914723, 2340217, 7020651, 21061953]

約数ペア:

[(1, 21061953), (3, 7020651), (9, 2340217), (11, 1914723), (33, 638241), (79, 266607), (99, 212747), (237, 88869), (711, 29623), (869, 24237), (2607, 8079), (2693, 7821)]