21976903

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 25220160

約数和(自身を除く): 3243257

約数列:

[1, 13, 17, 221, 277, 359, 3601, 4667, 4709, 6103, 61217, 79339, 99443, 1292759, 1690531, 21976903]

約数ペア:

[(1, 21976903), (13, 1690531), (17, 1292759), (221, 99443), (277, 79339), (359, 61217), (3601, 6103), (4667, 4709)]