21630441644

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12664193}}^1$

素因数の和:12664265

約数の個数: 24

約数和(自身を含む): 43970081568

約数和(自身を除く): 22339639924

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12664193, 25328386, 50656772, 88649351, 177298702, 354597404, 772515773, 1545031546, 3090063092, 5407610411, 10815220822, 21630441644]

約数ペア:

[(1, 21630441644), (2, 10815220822), (4, 5407610411), (7, 3090063092), (14, 1545031546), (28, 772515773), (61, 354597404), (122, 177298702), (244, 88649351), (427, 50656772), (854, 25328386), (1708, 12664193)]