21921999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{22907}}^1$

素因数の和:22950

約数の個数: 16

約数和(自身を含む): 32987520

約数和(自身を除く): 11065521

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 22907, 68721, 251977, 664303, 755931, 1992909, 7307333, 21921999]

約数ペア:

[(1, 21921999), (3, 7307333), (11, 1992909), (29, 755931), (33, 664303), (87, 251977), (319, 68721), (957, 22907)]