21962721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3677}}^1$

素因数の和:3872

約数の個数: 16

約数和(自身を含む): 32131008

約数和(自身を除く): 10168287

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3677, 5973, 11031, 40447, 121341, 665537, 1996611, 7320907, 21962721]

約数ペア:

[(1, 21962721), (3, 7320907), (11, 1996611), (33, 665537), (181, 121341), (543, 40447), (1991, 11031), (3677, 5973)]