21332857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{653}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 5036423

約数列:

[1, 7, 13, 91, 359, 653, 2513, 4571, 4667, 8489, 32669, 59423, 234427, 1640989, 3047551, 21332857]

約数ペア:

[(1, 21332857), (7, 3047551), (13, 1640989), (91, 234427), (359, 59423), (653, 32669), (2513, 8489), (4571, 4667)]