21896440

素因数分解:

$2^3\times 5^1\times {\mathrm{547411}}^1$

素因数の和:547422

約数の個数: 16

約数和(自身を含む): 49267080

約数和(自身を除く): 27370640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547411, 1094822, 2189644, 2737055, 4379288, 5474110, 10948220, 21896440]

約数ペア:

[(1, 21896440), (2, 10948220), (4, 5474110), (5, 4379288), (8, 2737055), (10, 2189644), (20, 1094822), (40, 547411)]