21810502

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21341}}^1$

素因数の和:21423

約数の個数: 16

約数和(自身を含む): 37903392

約数和(自身を除く): 16092890

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21341, 42682, 149387, 298774, 1557893, 3115786, 10905251, 21810502]

約数ペア:

[(1, 21810502), (2, 10905251), (7, 3115786), (14, 1557893), (73, 298774), (146, 149387), (511, 42682), (1022, 21341)]