21274004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1621}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 39648168

約数和(自身を除く): 18374164

約数列:

[1, 2, 4, 17, 34, 68, 193, 386, 772, 1621, 3242, 3281, 6484, 6562, 13124, 27557, 55114, 110228, 312853, 625706, 1251412, 5318501, 10637002, 21274004]

約数ペア:

[(1, 21274004), (2, 10637002), (4, 5318501), (17, 1251412), (34, 625706), (68, 312853), (193, 110228), (386, 55114), (772, 27557), (1621, 13124), (3242, 6562), (3281, 6484)]