21739833

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{863}}^1$

素因数の和:1186

約数の個数: 20

約数和(自身を含む): 32617728

約数和(自身を除く): 10877895

約数列:

[1, 3, 9, 27, 81, 311, 863, 933, 2589, 2799, 7767, 8397, 23301, 25191, 69903, 268393, 805179, 2415537, 7246611, 21739833]

約数ペア:

[(1, 21739833), (3, 7246611), (9, 2415537), (27, 805179), (81, 268393), (311, 69903), (863, 25191), (933, 23301), (2589, 8397), (2799, 7767)]