21018224

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12277}}^1$

素因数の和:12392

約数の個数: 20

約数和(自身を含む): 41106744

約数和(自身を除く): 20088520

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12277, 24554, 49108, 98216, 196432, 1313639, 2627278, 5254556, 10509112, 21018224]

約数ペア:

[(1, 21018224), (2, 10509112), (4, 5254556), (8, 2627278), (16, 1313639), (107, 196432), (214, 98216), (428, 49108), (856, 24554), (1712, 12277)]