21346195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4157}}^1$

素因数の和:4254

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 6595565

約数列:

[1, 5, 13, 65, 79, 395, 1027, 4157, 5135, 20785, 54041, 270205, 328403, 1642015, 4269239, 21346195]

約数ペア:

[(1, 21346195), (5, 4269239), (13, 1642015), (65, 328403), (79, 270205), (395, 54041), (1027, 20785), (4157, 5135)]