21208474

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5849}}^1$

素因数の和:5902

約数の個数: 24

約数和(自身を含む): 38013300

約数和(自身を除く): 16804826

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5849, 11698, 40943, 81886, 216413, 286601, 432826, 573202, 1514891, 3029782, 10604237, 21208474]

約数ペア:

[(1, 21208474), (2, 10604237), (7, 3029782), (14, 1514891), (37, 573202), (49, 432826), (74, 286601), (98, 216413), (259, 81886), (518, 40943), (1813, 11698), (3626, 5849)]