21105636

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 52468416

約数和(自身を除く): 31362780

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 307, 337, 614, 674, 921, 1011, 1228, 1348, 1842, 2022, 3684, 4044, 5219, 5729, 10438, 11458, 15657, 17187, 20876, 22916, 31314, 34374, 62628, 68748, 103459, 206918, 310377, 413836, 620754, 1241508, 1758803, 3517606, 5276409, 7035212, 10552818, 21105636]

約数ペア:

[(1, 21105636), (2, 10552818), (3, 7035212), (4, 5276409), (6, 3517606), (12, 1758803), (17, 1241508), (34, 620754), (51, 413836), (68, 310377), (102, 206918), (204, 103459), (307, 68748), (337, 62628), (614, 34374), (674, 31314), (921, 22916), (1011, 20876), (1228, 17187), (1348, 15657), (1842, 11458), (2022, 10438), (3684, 5729), (4044, 5219)]