21338837

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 23748480

約数和(自身を除く): 2409643

約数列:

[1, 13, 61, 71, 379, 793, 923, 4331, 4927, 23119, 26909, 56303, 300547, 349817, 1641449, 21338837]

約数ペア:

[(1, 21338837), (13, 1641449), (61, 349817), (71, 300547), (379, 56303), (793, 26909), (923, 23119), (4331, 4927)]