21889491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1061}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 32888016

約数和(自身を除く): 10998525

約数列:

[1, 3, 13, 23, 39, 69, 299, 529, 897, 1061, 1587, 3183, 6877, 13793, 20631, 24403, 41379, 73209, 317239, 561269, 951717, 1683807, 7296497, 21889491]

約数ペア:

[(1, 21889491), (3, 7296497), (13, 1683807), (23, 951717), (39, 561269), (69, 317239), (299, 73209), (529, 41379), (897, 24403), (1061, 20631), (1587, 13793), (3183, 6877)]