21516443

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 23774016

約数和(自身を除く): 2257573

約数列:

[1, 13, 97, 113, 151, 1261, 1469, 1963, 10961, 14647, 17063, 142493, 190411, 221819, 1655111, 21516443]

約数ペア:

[(1, 21516443), (13, 1655111), (97, 221819), (113, 190411), (151, 142493), (1261, 17063), (1469, 14647), (1963, 10961)]