21071314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4813}}^1$

素因数の和:5025

約数の個数: 16

約数和(自身を含む): 34660800

約数和(自身を除く): 13589486

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4813, 9626, 52943, 105886, 957787, 1915574, 10535657, 21071314]

約数ペア:

[(1, 21071314), (2, 10535657), (11, 1915574), (22, 957787), (199, 105886), (398, 52943), (2189, 9626), (4378, 4813)]