21428148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255097}}^1$

素因数の和:255111

約数の個数: 24

約数和(自身を含む): 57141952

約数和(自身を除く): 35713804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255097, 510194, 765291, 1020388, 1530582, 1785679, 3061164, 3571358, 5357037, 7142716, 10714074, 21428148]

約数ペア:

[(1, 21428148), (2, 10714074), (3, 7142716), (4, 5357037), (6, 3571358), (7, 3061164), (12, 1785679), (14, 1530582), (21, 1020388), (28, 765291), (42, 510194), (84, 255097)]