21126886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56489}}^1$

素因数の和:56519

約数の個数: 16

約数和(自身を含む): 36605520

約数和(自身を除く): 15478634

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56489, 112978, 621379, 960313, 1242758, 1920626, 10563443, 21126886]

約数ペア:

[(1, 21126886), (2, 10563443), (11, 1920626), (17, 1242758), (22, 960313), (34, 621379), (187, 112978), (374, 56489)]