21225849

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1087}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 29663232

約数和(自身を除く): 8437383

約数列:

[1, 3, 23, 69, 283, 849, 1087, 3261, 6509, 19527, 25001, 75003, 307621, 922863, 7075283, 21225849]

約数ペア:

[(1, 21225849), (3, 7075283), (23, 922863), (69, 307621), (283, 75003), (849, 25001), (1087, 19527), (3261, 6509)]