21459999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2791}}^1$

素因数の和:3038

約数の個数: 16

約数和(自身を含む): 31359744

約数和(自身を除く): 9899745

約数列:

[1, 3, 11, 33, 233, 699, 2563, 2791, 7689, 8373, 30701, 92103, 650303, 1950909, 7153333, 21459999]

約数ペア:

[(1, 21459999), (3, 7153333), (11, 1950909), (33, 650303), (233, 92103), (699, 30701), (2563, 8373), (2791, 7689)]