21231886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{971}}^1$

素因数の和:1044

約数の個数: 24

約数和(自身を含む): 35557704

約数和(自身を除く): 14325818

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 841, 971, 1682, 1942, 10933, 12623, 21866, 25246, 28159, 56318, 366067, 732134, 816611, 1633222, 10615943, 21231886]

約数ペア:

[(1, 21231886), (2, 10615943), (13, 1633222), (26, 816611), (29, 732134), (58, 366067), (377, 56318), (754, 28159), (841, 25246), (971, 21866), (1682, 12623), (1942, 10933)]