21468789

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 32242392

約数和(自身を除く): 10773603

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 657, 797, 2391, 2993, 7173, 8979, 26937, 32677, 58181, 98031, 174543, 294093, 523629, 2385421, 7156263, 21468789]

約数ペア:

[(1, 21468789), (3, 7156263), (9, 2385421), (41, 523629), (73, 294093), (123, 174543), (219, 98031), (369, 58181), (657, 32677), (797, 26937), (2391, 8979), (2993, 7173)]