21580866

素因数分解:

$2^1\times 3^2\times {\mathrm{479}}^1\times {\mathrm{2503}}^1$

素因数の和:2990

約数の個数: 24

約数和(自身を含む): 46874880

約数和(自身を除く): 25294014

約数列:

[1, 2, 3, 6, 9, 18, 479, 958, 1437, 2503, 2874, 4311, 5006, 7509, 8622, 15018, 22527, 45054, 1198937, 2397874, 3596811, 7193622, 10790433, 21580866]

約数ペア:

[(1, 21580866), (2, 10790433), (3, 7193622), (6, 3596811), (9, 2397874), (18, 1198937), (479, 45054), (958, 22527), (1437, 15018), (2503, 8622), (2874, 7509), (4311, 5006)]