21247503

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 28810080

約数和(自身を除く): 7562577

約数列:

[1, 3, 113, 233, 269, 339, 699, 807, 26329, 30397, 62677, 78987, 91191, 188031, 7082501, 21247503]

約数ペア:

[(1, 21247503), (3, 7082501), (113, 188031), (233, 91191), (269, 78987), (339, 62677), (699, 30397), (807, 26329)]