21000606790

素因数分解:

$2^1\times 5^1\times {\mathrm{20029}}^1\times {\mathrm{104851}}^1$

素因数の和:124887

約数の個数: 16

約数和(自身を含む): 37803340080

約数和(自身を除く): 16802733290

約数列:

[1, 2, 5, 10, 20029, 40058, 100145, 104851, 200290, 209702, 524255, 1048510, 2100060679, 4200121358, 10500303395, 21000606790]

約数ペア:

[(1, 21000606790), (2, 10500303395), (5, 4200121358), (10, 2100060679), (20029, 1048510), (40058, 524255), (100145, 209702), (104851, 200290)]