21609873

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{141241}}^1$

素因数の和:141264

約数の個数: 12

約数和(自身を含む): 33050628

約数和(自身を除く): 11440755

約数列:

[1, 3, 9, 17, 51, 153, 141241, 423723, 1271169, 2401097, 7203291, 21609873]

約数ペア:

[(1, 21609873), (3, 7203291), (9, 2401097), (17, 1271169), (51, 423723), (153, 141241)]