21297107

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3323}}^1$

素因数の和:3382

約数の個数: 16

約数和(自身を含む): 25129440

約数和(自身を除く): 3832333

約数列:

[1, 13, 17, 29, 221, 377, 493, 3323, 6409, 43199, 56491, 96367, 734383, 1252771, 1638239, 21297107]

約数ペア:

[(1, 21297107), (13, 1638239), (17, 1252771), (29, 734383), (221, 96367), (377, 56491), (493, 43199), (3323, 6409)]