21176876

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20441}}^1$

素因数の和:20489

約数の個数: 24

約数和(自身を含む): 43500576

約数和(自身を除く): 22323700

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20441, 40882, 81764, 143087, 286174, 572348, 756317, 1512634, 3025268, 5294219, 10588438, 21176876]

約数ペア:

[(1, 21176876), (2, 10588438), (4, 5294219), (7, 3025268), (14, 1512634), (28, 756317), (37, 572348), (74, 286174), (148, 143087), (259, 81764), (518, 40882), (1036, 20441)]