21717007

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7559}}^1$

素因数の和:7602

約数の個数: 12

約数和(自身を含む): 24902640

約数和(自身を除く): 3185633

約数列:

[1, 13, 17, 169, 221, 2873, 7559, 98267, 128503, 1277471, 1670539, 21717007]

約数ペア:

[(1, 21717007), (13, 1670539), (17, 1277471), (169, 128503), (221, 98267), (2873, 7559)]