21071122

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:777

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11052398

約数列:

[1, 2, 103, 206, 233, 439, 466, 878, 23999, 45217, 47998, 90434, 102287, 204574, 10535561, 21071122]

約数ペア:

[(1, 21071122), (2, 10535561), (103, 204574), (206, 102287), (233, 90434), (439, 47998), (466, 45217), (878, 23999)]