21236392

素因数分解:

$2^3\times {\mathrm{337}}^1\times {\mathrm{7877}}^1$

素因数の和:8220

約数の個数: 16

約数和(自身を含む): 39941460

約数和(自身を除く): 18705068

約数列:

[1, 2, 4, 8, 337, 674, 1348, 2696, 7877, 15754, 31508, 63016, 2654549, 5309098, 10618196, 21236392]

約数ペア:

[(1, 21236392), (2, 10618196), (4, 5309098), (8, 2654549), (337, 63016), (674, 31508), (1348, 15754), (2696, 7877)]