21531657

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44579}}^1$

素因数の和:44612

約数の個数: 16

約数和(自身を含む): 34237440

約数和(自身を除く): 12705783

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44579, 133737, 312053, 936159, 1025317, 3075951, 7177219, 21531657]

約数ペア:

[(1, 21531657), (3, 7177219), (7, 3075951), (21, 1025317), (23, 936159), (69, 312053), (161, 133737), (483, 44579)]