21064366

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9743}}^1$

素因数の和:9815

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 12610898

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9743, 19486, 224089, 448178, 457921, 915842, 10532183, 21064366]

約数ペア:

[(1, 21064366), (2, 10532183), (23, 915842), (46, 457921), (47, 448178), (94, 224089), (1081, 19486), (2162, 9743)]