21167280303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6870263}}^1$

素因数の和:6870358

約数の個数: 16

約数和(自身を含む): 30778782720

約数和(自身を除く): 9611502417

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6870263, 20610789, 89313419, 267940257, 542750777, 1628252331, 7055760101, 21167280303]

約数ペア:

[(1, 21167280303), (3, 7055760101), (13, 1628252331), (39, 542750777), (79, 267940257), (237, 89313419), (1027, 20610789), (3081, 6870263)]