21228183

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12889}}^1$

素因数の和:12959

約数の個数: 16

約数和(自身を含む): 31967200

約数和(自身を除く): 10739017

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12889, 38667, 116001, 348003, 786229, 2358687, 7076061, 21228183]

約数ペア:

[(1, 21228183), (3, 7076061), (9, 2358687), (27, 786229), (61, 348003), (183, 116001), (549, 38667), (1647, 12889)]