21509422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2207}}^1$

素因数の和:2663

約数の個数: 16

約数和(自身を含む): 35292672

約数和(自身を除く): 13783250

約数列:

[1, 2, 11, 22, 443, 886, 2207, 4414, 4873, 9746, 24277, 48554, 977701, 1955402, 10754711, 21509422]

約数ペア:

[(1, 21509422), (2, 10754711), (11, 1955402), (22, 977701), (443, 48554), (886, 24277), (2207, 9746), (4414, 4873)]