21765436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70667}}^1$

素因数の和:70689

約数の個数: 24

約数和(自身を含む): 47488896

約数和(自身を除く): 25723460

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70667, 141334, 282668, 494669, 777337, 989338, 1554674, 1978676, 3109348, 5441359, 10882718, 21765436]

約数ペア:

[(1, 21765436), (2, 10882718), (4, 5441359), (7, 3109348), (11, 1978676), (14, 1554674), (22, 989338), (28, 777337), (44, 494669), (77, 282668), (154, 141334), (308, 70667)]