21752093

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 25152000

約数和(自身を除く): 3399907

約数列:

[1, 11, 19, 199, 209, 523, 2189, 3781, 5753, 9937, 41591, 104077, 109307, 1144847, 1977463, 21752093]

約数ペア:

[(1, 21752093), (11, 1977463), (19, 1144847), (199, 109307), (209, 104077), (523, 41591), (2189, 9937), (3781, 5753)]