21814839

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 11207241

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 839, 963, 2517, 2889, 7551, 8667, 22653, 26001, 67959, 89773, 203877, 269319, 807957, 2423871, 7271613, 21814839]

約数ペア:

[(1, 21814839), (3, 7271613), (9, 2423871), (27, 807957), (81, 269319), (107, 203877), (243, 89773), (321, 67959), (839, 26001), (963, 22653), (2517, 8667), (2889, 7551)]