21025788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250307}}^1$

素因数の和:250321

約数の個数: 24

約数和(自身を含む): 56068992

約数和(自身を除く): 35043204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250307, 500614, 750921, 1001228, 1501842, 1752149, 3003684, 3504298, 5256447, 7008596, 10512894, 21025788]

約数ペア:

[(1, 21025788), (2, 10512894), (3, 7008596), (4, 5256447), (6, 3504298), (7, 3003684), (12, 1752149), (14, 1501842), (21, 1001228), (28, 750921), (42, 500614), (84, 250307)]