20211988503

素因数分解:

$3^1\times 7^1\times {\mathrm{4049}}^1\times {\mathrm{237707}}^1$

素因数の和:241766

約数の個数: 16

約数和(自身を含む): 30806956800

約数和(自身を除く): 10594968297

約数列:

[1, 3, 7, 21, 4049, 12147, 28343, 85029, 237707, 713121, 1663949, 4991847, 962475643, 2887426929, 6737329501, 20211988503]

約数ペア:

[(1, 20211988503), (3, 6737329501), (7, 2887426929), (21, 962475643), (4049, 4991847), (12147, 1663949), (28343, 713121), (85029, 237707)]