21210033

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31991}}^1$

素因数の和:32024

約数の個数: 16

約数和(自身を含む): 32247936

約数和(自身を除く): 11037903

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31991, 95973, 415883, 543847, 1247649, 1631541, 7070011, 21210033]

約数ペア:

[(1, 21210033), (3, 7070011), (13, 1631541), (17, 1247649), (39, 543847), (51, 415883), (221, 95973), (663, 31991)]