21270238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2551}}^1$

素因数の和:2943

約数の個数: 16

約数和(自身を含む): 34911360

約数和(自身を除く): 13641122

約数列:

[1, 2, 11, 22, 379, 758, 2551, 4169, 5102, 8338, 28061, 56122, 966829, 1933658, 10635119, 21270238]

約数ペア:

[(1, 21270238), (2, 10635119), (11, 1933658), (22, 966829), (379, 56122), (758, 28061), (2551, 8338), (4169, 5102)]