21263847368

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37436351}}^1$

素因数の和:37436428

約数の個数: 16

約数和(自身を含む): 40431260160

約数和(自身を除く): 19167412792

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37436351, 74872702, 149745404, 299490808, 2657980921, 5315961842, 10631923684, 21263847368]

約数ペア:

[(1, 21263847368), (2, 10631923684), (4, 5315961842), (8, 2657980921), (71, 299490808), (142, 149745404), (284, 74872702), (568, 37436351)]