21192585

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12503}}^1$

素因数の和:12624

約数の個数: 16

約数和(自身を含む): 34210944

約数和(自身を除く): 13018359

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 12503, 37509, 62515, 187545, 1412839, 4238517, 7064195, 21192585]

約数ペア:

[(1, 21192585), (3, 7064195), (5, 4238517), (15, 1412839), (113, 187545), (339, 62515), (565, 37509), (1695, 12503)]