21464365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4651}}^1$

素因数の和:4740

約数の個数: 16

約数和(自身を含む): 28135296

約数和(自身を除く): 6670931

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4651, 23255, 60463, 302315, 330221, 1651105, 4292873, 21464365]

約数ペア:

[(1, 21464365), (5, 4292873), (13, 1651105), (65, 330221), (71, 302315), (355, 60463), (923, 23255), (4615, 4651)]