21043682

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{3637}}^1$

素因数の和:3913

約数の個数: 16

約数和(自身を含む): 34575552

約数和(自身を除く): 13531870

約数列:

[1, 2, 11, 22, 263, 526, 2893, 3637, 5786, 7274, 40007, 80014, 956531, 1913062, 10521841, 21043682]

約数ペア:

[(1, 21043682), (2, 10521841), (11, 1913062), (22, 956531), (263, 80014), (526, 40007), (2893, 7274), (3637, 5786)]