21068610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 54172800

約数和(自身を除く): 33104190

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 109, 170, 218, 255, 327, 379, 510, 545, 654, 758, 1090, 1137, 1635, 1853, 1895, 2274, 3270, 3706, 3790, 5559, 5685, 6443, 9265, 11118, 11370, 12886, 18530, 19329, 27795, 32215, 38658, 41311, 55590, 64430, 82622, 96645, 123933, 193290, 206555, 247866, 413110, 619665, 702287, 1239330, 1404574, 2106861, 3511435, 4213722, 7022870, 10534305, 21068610]

約数ペア:

[(1, 21068610), (2, 10534305), (3, 7022870), (5, 4213722), (6, 3511435), (10, 2106861), (15, 1404574), (17, 1239330), (30, 702287), (34, 619665), (51, 413110), (85, 247866), (102, 206555), (109, 193290), (170, 123933), (218, 96645), (255, 82622), (327, 64430), (379, 55590), (510, 41311), (545, 38658), (654, 32215), (758, 27795), (1090, 19329), (1137, 18530), (1635, 12886), (1853, 11370), (1895, 11118), (2274, 9265), (3270, 6443), (3706, 5685), (3790, 5559)]