21755866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9601}}^1$

素因数の和:9717

約数の個数: 16

約数和(自身を含む): 35949888

約数和(自身を除く): 14194022

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9601, 19202, 105611, 211222, 988903, 1977806, 10877933, 21755866]

約数ペア:

[(1, 21755866), (2, 10877933), (11, 1977806), (22, 988903), (103, 211222), (206, 105611), (1133, 19202), (2266, 9601)]