21904526

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21433}}^1$

素因数の和:21515

約数の個数: 16

約数和(自身を含む): 38066784

約数和(自身を除く): 16162258

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21433, 42866, 150031, 300062, 1564609, 3129218, 10952263, 21904526]

約数ペア:

[(1, 21904526), (2, 10952263), (7, 3129218), (14, 1564609), (73, 300062), (146, 150031), (511, 42866), (1022, 21433)]