21690042

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{328637}}^1$

素因数の和:328653

約数の個数: 16

約数和(自身を含む): 47323872

約数和(自身を除く): 25633830

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 328637, 657274, 985911, 1971822, 3615007, 7230014, 10845021, 21690042]

約数ペア:

[(1, 21690042), (2, 10845021), (3, 7230014), (6, 3615007), (11, 1971822), (22, 985911), (33, 657274), (66, 328637)]