21170456

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4751}}^1$

素因数の和:5314

約数の個数: 16

約数和(自身を含む): 39774240

約数和(自身を除く): 18603784

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4751, 9502, 19004, 38008, 2646307, 5292614, 10585228, 21170456]

約数ペア:

[(1, 21170456), (2, 10585228), (4, 5292614), (8, 2646307), (557, 38008), (1114, 19004), (2228, 9502), (4456, 4751)]