21000507226

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{265567}}^1$

素因数の和:267669

約数の個数: 16

約数和(自身を含む): 33174754560

約数和(自身を除く): 12174247334

約数列:

[1, 2, 19, 38, 2081, 4162, 39539, 79078, 265567, 531134, 5045773, 10091546, 552644927, 1105289854, 10500253613, 21000507226]

約数ペア:

[(1, 21000507226), (2, 10500253613), (19, 1105289854), (38, 552644927), (2081, 10091546), (4162, 5045773), (39539, 531134), (79078, 265567)]