21710819

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3169}}^1$

素因数の和:3230

約数の個数: 16

約数和(自身を含む): 25562880

約数和(自身を除く): 3852061

約数列:

[1, 13, 17, 31, 221, 403, 527, 3169, 6851, 41197, 53873, 98239, 700349, 1277107, 1670063, 21710819]

約数ペア:

[(1, 21710819), (13, 1670063), (17, 1277107), (31, 700349), (221, 98239), (403, 53873), (527, 41197), (3169, 6851)]