21662127

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{4157}}^1$

素因数の和:4359

約数の個数: 16

約数和(自身を含む): 32266080

約数和(自身を除く): 10603953

約数列:

[1, 3, 9, 27, 193, 579, 1737, 4157, 5211, 12471, 37413, 112239, 802301, 2406903, 7220709, 21662127]

約数ペア:

[(1, 21662127), (3, 7220709), (9, 2406903), (27, 802301), (193, 112239), (579, 37413), (1737, 12471), (4157, 5211)]