21599919

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{72727}}^1$

素因数の和:72747

約数の個数: 16

約数和(自身を含む): 34909440

約数和(自身を除く): 13309521

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 72727, 218181, 654543, 799997, 1963629, 2399991, 7199973, 21599919]

約数ペア:

[(1, 21599919), (3, 7199973), (9, 2399991), (11, 1963629), (27, 799997), (33, 654543), (99, 218181), (297, 72727)]