21371946

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82837}}^1$

素因数の和:82885

約数の個数: 16

約数和(自身を含む): 43738464

約数和(自身を除く): 22366518

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82837, 165674, 248511, 497022, 3561991, 7123982, 10685973, 21371946]

約数ペア:

[(1, 21371946), (2, 10685973), (3, 7123982), (6, 3561991), (43, 497022), (86, 248511), (129, 165674), (258, 82837)]