21051372

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 32382708

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 111, 148, 204, 222, 444, 629, 1258, 1887, 2516, 2789, 3774, 5578, 7548, 8367, 11156, 16734, 33468, 47413, 94826, 103193, 142239, 189652, 206386, 284478, 309579, 412772, 568956, 619158, 1238316, 1754281, 3508562, 5262843, 7017124, 10525686, 21051372]

約数ペア:

[(1, 21051372), (2, 10525686), (3, 7017124), (4, 5262843), (6, 3508562), (12, 1754281), (17, 1238316), (34, 619158), (37, 568956), (51, 412772), (68, 309579), (74, 284478), (102, 206386), (111, 189652), (148, 142239), (204, 103193), (222, 94826), (444, 47413), (629, 33468), (1258, 16734), (1887, 11156), (2516, 8367), (2789, 7548), (3774, 5578)]