21746621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5179}}^1$

素因数の和:5228

約数の個数: 16

約数和(自身を含む): 26107200

約数和(自身を除く): 4360579

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 5179, 67327, 88043, 98401, 1144559, 1279213, 1672817, 21746621]

約数ペア:

[(1, 21746621), (13, 1672817), (17, 1279213), (19, 1144559), (221, 98401), (247, 88043), (323, 67327), (4199, 5179)]