21999461239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1\times {\mathrm{67763}}^1$

素因数の和:70230

約数の個数: 16

約数和(自身を含む): 26476750080

約数和(自身を除く): 4477288841

約数列:

[1, 7, 19, 133, 2441, 17087, 46379, 67763, 324653, 474341, 1287497, 9012479, 165409483, 1157866381, 3142780177, 21999461239]

約数ペア:

[(1, 21999461239), (7, 3142780177), (19, 1157866381), (133, 165409483), (2441, 9012479), (17087, 1287497), (46379, 474341), (67763, 324653)]