21084874568

素因数分解:

$2^3\times {\mathrm{26723}}^1\times {\mathrm{98627}}^1$

素因数の和:125356

約数の個数: 16

約数和(自身を含む): 39536020080

約数和(自身を除く): 18451145512

約数列:

[1, 2, 4, 8, 26723, 53446, 98627, 106892, 197254, 213784, 394508, 789016, 2635609321, 5271218642, 10542437284, 21084874568]

約数ペア:

[(1, 21084874568), (2, 10542437284), (4, 5271218642), (8, 2635609321), (26723, 789016), (53446, 394508), (98627, 213784), (106892, 197254)]