21741616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104527}}^1$

素因数の和:104548

約数の個数: 20

約数和(自身を含む): 45365152

約数和(自身を除く): 23623536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104527, 209054, 418108, 836216, 1358851, 1672432, 2717702, 5435404, 10870808, 21741616]

約数ペア:

[(1, 21741616), (2, 10870808), (4, 5435404), (8, 2717702), (13, 1672432), (16, 1358851), (26, 836216), (52, 418108), (104, 209054), (208, 104527)]