21828717

素因数分解:

$3^3\times {\mathrm{251}}^1\times {\mathrm{3221}}^1$

素因数の和:3481

約数の個数: 16

約数和(自身を含む): 32477760

約数和(自身を除く): 10649043

約数列:

[1, 3, 9, 27, 251, 753, 2259, 3221, 6777, 9663, 28989, 86967, 808471, 2425413, 7276239, 21828717]

約数ペア:

[(1, 21828717), (3, 7276239), (9, 2425413), (27, 808471), (251, 86967), (753, 28989), (2259, 9663), (3221, 6777)]