21497726419

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{781139}}^1$

素因数の和:781254

約数の個数: 16

約数和(自身を含む): 24277831200

約数和(自身を除く): 2780104781

約数列:

[1, 13, 29, 73, 377, 949, 2117, 27521, 781139, 10154807, 22653031, 57023147, 294489403, 741300911, 1653671263, 21497726419]

約数ペア:

[(1, 21497726419), (13, 1653671263), (29, 741300911), (73, 294489403), (377, 57023147), (949, 22653031), (2117, 10154807), (27521, 781139)]