21819728

素因数分解:

$2^4\times 7^1\times {\mathrm{194819}}^1$

素因数の和:194834

約数の個数: 20

約数和(自身を含む): 48315360

約数和(自身を除く): 26495632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194819, 389638, 779276, 1363733, 1558552, 2727466, 3117104, 5454932, 10909864, 21819728]

約数ペア:

[(1, 21819728), (2, 10909864), (4, 5454932), (7, 3117104), (8, 2727466), (14, 1558552), (16, 1363733), (28, 779276), (56, 389638), (112, 194819)]