21056556584

素因数分解:

$2^3\times 7^1\times {\mathrm{376009939}}^1$

素因数の和:376009952

約数の個数: 16

約数和(自身を含む): 45121192800

約数和(自身を除く): 24064636216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 376009939, 752019878, 1504039756, 2632069573, 3008079512, 5264139146, 10528278292, 21056556584]

約数ペア:

[(1, 21056556584), (2, 10528278292), (4, 5264139146), (7, 3008079512), (8, 2632069573), (14, 1504039756), (28, 752019878), (56, 376009939)]