21460270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165079}}^1$

素因数の和:165099

約数の個数: 16

約数和(自身を含む): 41600160

約数和(自身を除く): 20139890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 165079, 330158, 825395, 1650790, 2146027, 4292054, 10730135, 21460270]

約数ペア:

[(1, 21460270), (2, 10730135), (5, 4292054), (10, 2146027), (13, 1650790), (26, 825395), (65, 330158), (130, 165079)]