21000887974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3960937}}^1$

素因数の和:3961191

約数の個数: 16

約数和(自身を含む): 34507691856

約数和(自身を除く): 13506803882

約数列:

[1, 2, 11, 22, 241, 482, 2651, 5302, 3960937, 7921874, 43570307, 87140614, 954585817, 1909171634, 10500443987, 21000887974]

約数ペア:

[(1, 21000887974), (2, 10500443987), (11, 1909171634), (22, 954585817), (241, 87140614), (482, 43570307), (2651, 7921874), (5302, 3960937)]