21000339340

素因数分解:

$2^2\times 5^1\times {\mathrm{1050016967}}^1$

素因数の和:1050016976

約数の個数: 12

約数和(自身を含む): 44100712656

約数和(自身を除く): 23100373316

約数列:

[1, 2, 4, 5, 10, 20, 1050016967, 2100033934, 4200067868, 5250084835, 10500169670, 21000339340]

約数ペア:

[(1, 21000339340), (2, 10500169670), (4, 5250084835), (5, 4200067868), (10, 2100033934), (20, 1050016967)]