21990441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2129}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 32103360

約数和(自身を除く): 10112919

約数列:

[1, 3, 11, 33, 313, 939, 2129, 3443, 6387, 10329, 23419, 70257, 666377, 1999131, 7330147, 21990441]

約数ペア:

[(1, 21990441), (3, 7330147), (11, 1999131), (33, 666377), (313, 70257), (939, 23419), (2129, 10329), (3443, 6387)]