21517359

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{7151}}^1$

素因数の和:7230

約数の個数: 16

約数和(自身を含む): 30896640

約数和(自身を除く): 9379281

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 7151, 21453, 121567, 364701, 421909, 1265727, 7172453, 21517359]

約数ペア:

[(1, 21517359), (3, 7172453), (17, 1265727), (51, 421909), (59, 364701), (177, 121567), (1003, 21453), (3009, 7151)]