21023387

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{24821}}^1$

素因数の和:24850

約数の個数: 12

約数和(自身を含む): 26410608

約数和(自身を除く): 5387221

約数列:

[1, 7, 11, 77, 121, 847, 24821, 173747, 273031, 1911217, 3003341, 21023387]

約数ペア:

[(1, 21023387), (7, 3003341), (11, 1911217), (77, 273031), (121, 173747), (847, 24821)]