21617794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4657}}^1$

素因数の和:4881

約数の個数: 16

約数和(自身を含む): 35549856

約数和(自身を除く): 13932062

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 4657, 9314, 51227, 102454, 982627, 1965254, 10808897, 21617794]

約数ペア:

[(1, 21617794), (2, 10808897), (11, 1965254), (22, 982627), (211, 102454), (422, 51227), (2321, 9314), (4642, 4657)]