21568266

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10993}}^1$

素因数の和:11110

約数の個数: 24

約数和(自身を含む): 47164260

約数和(自身を除く): 25595994

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10993, 21986, 32979, 65958, 98937, 197874, 1198237, 2396474, 3594711, 7189422, 10784133, 21568266]

約数ペア:

[(1, 21568266), (2, 10784133), (3, 7189422), (6, 3594711), (9, 2396474), (18, 1198237), (109, 197874), (218, 98937), (327, 65958), (654, 32979), (981, 21986), (1962, 10993)]