21265822

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2311}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 32959872

約数和(自身を除く): 11694050

約数列:

[1, 2, 43, 86, 107, 214, 2311, 4601, 4622, 9202, 99373, 198746, 247277, 494554, 10632911, 21265822]

約数ペア:

[(1, 21265822), (2, 10632911), (43, 494554), (86, 247277), (107, 198746), (214, 99373), (2311, 9202), (4601, 4622)]