21000929020

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2007737}}^1$

素因数の和:2008269

約数の個数: 24

約数和(自身を含む): 44186297904

約数和(自身を除く): 23185368884

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 2007737, 4015474, 8030948, 10038685, 20077370, 40154740, 1050046451, 2100092902, 4200185804, 5250232255, 10500464510, 21000929020]

約数ペア:

[(1, 21000929020), (2, 10500464510), (4, 5250232255), (5, 4200185804), (10, 2100092902), (20, 1050046451), (523, 40154740), (1046, 20077370), (2092, 10038685), (2615, 8030948), (5230, 4015474), (10460, 2007737)]