213901212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2546443}}^1$

素因数の和:2546457

約数の個数: 24

約数和(自身を含む): 570403456

約数和(自身を除く): 356502244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2546443, 5092886, 7639329, 10185772, 15278658, 17825101, 30557316, 35650202, 53475303, 71300404, 106950606, 213901212]

約数ペア:

[(1, 213901212), (2, 106950606), (3, 71300404), (4, 53475303), (6, 35650202), (7, 30557316), (12, 17825101), (14, 15278658), (21, 10185772), (28, 7639329), (42, 5092886), (84, 2546443)]