21568878

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14437}}^1$

素因数の和:14528

約数の個数: 24

約数和(自身を含む): 47298888

約数和(自身を除く): 25730010

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14437, 28874, 43311, 86622, 129933, 259866, 1198271, 2396542, 3594813, 7189626, 10784439, 21568878]

約数ペア:

[(1, 21568878), (2, 10784439), (3, 7189626), (6, 3594813), (9, 2396542), (18, 1198271), (83, 259866), (166, 129933), (249, 86622), (498, 43311), (747, 28874), (1494, 14437)]