21194265

素因数分解:

$3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2351}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 33981696

約数和(自身を除く): 12787431

約数列:

[1, 3, 5, 15, 601, 1803, 2351, 3005, 7053, 9015, 11755, 35265, 1412951, 4238853, 7064755, 21194265]

約数ペア:

[(1, 21194265), (3, 7064755), (5, 4238853), (15, 1412951), (601, 35265), (1803, 11755), (2351, 9015), (3005, 7053)]