21989853

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{9151}}^1$

素因数の和:9249

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 10957347

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 9151, 27453, 82359, 247077, 814439, 2443317, 7329951, 21989853]

約数ペア:

[(1, 21989853), (3, 7329951), (9, 2443317), (27, 814439), (89, 247077), (267, 82359), (801, 27453), (2403, 9151)]