21956464

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{2027}}^1$

素因数の和:2712

約数の個数: 20

約数和(自身を含む): 42624504

約数和(自身を除く): 20668040

約数列:

[1, 2, 4, 8, 16, 677, 1354, 2027, 2708, 4054, 5416, 8108, 10832, 16216, 32432, 1372279, 2744558, 5489116, 10978232, 21956464]

約数ペア:

[(1, 21956464), (2, 10978232), (4, 5489116), (8, 2744558), (16, 1372279), (677, 32432), (1354, 16216), (2027, 10832), (2708, 8108), (4054, 5416)]