21789207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2269}}^1$

素因数の和:2383

約数の個数: 24

約数和(自身を含む): 34703760

約数和(自身を除く): 12914553

約数列:

[1, 3, 9, 11, 33, 97, 99, 291, 873, 1067, 2269, 3201, 6807, 9603, 20421, 24959, 74877, 220093, 224631, 660279, 1980837, 2421023, 7263069, 21789207]

約数ペア:

[(1, 21789207), (3, 7263069), (9, 2421023), (11, 1980837), (33, 660279), (97, 224631), (99, 220093), (291, 74877), (873, 24959), (1067, 20421), (2269, 9603), (3201, 6807)]