21458481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12269}}^1$

素因数の和:12336

約数の個数: 16

約数和(自身を含む): 31803840

約数和(自身を除く): 10345359

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12269, 36807, 134959, 404877, 650257, 1950771, 7152827, 21458481]

約数ペア:

[(1, 21458481), (3, 7152827), (11, 1950771), (33, 650257), (53, 404877), (159, 134959), (583, 36807), (1749, 12269)]