21080472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{701}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 39572328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 179, 358, 537, 701, 716, 1074, 1253, 1402, 1432, 2103, 2148, 2506, 2804, 3759, 4206, 4296, 4907, 5012, 5608, 7518, 8412, 9814, 10024, 14721, 15036, 16824, 19628, 29442, 30072, 39256, 58884, 117768, 125479, 250958, 376437, 501916, 752874, 878353, 1003832, 1505748, 1756706, 2635059, 3011496, 3513412, 5270118, 7026824, 10540236, 21080472]

約数ペア:

[(1, 21080472), (2, 10540236), (3, 7026824), (4, 5270118), (6, 3513412), (7, 3011496), (8, 2635059), (12, 1756706), (14, 1505748), (21, 1003832), (24, 878353), (28, 752874), (42, 501916), (56, 376437), (84, 250958), (168, 125479), (179, 117768), (358, 58884), (537, 39256), (701, 30072), (716, 29442), (1074, 19628), (1253, 16824), (1402, 15036), (1432, 14721), (2103, 10024), (2148, 9814), (2506, 8412), (2804, 7518), (3759, 5608), (4206, 5012), (4296, 4907)]