21496188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255907}}^1$

素因数の和:255921

約数の個数: 24

約数和(自身を含む): 57323392

約数和(自身を除く): 35827204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255907, 511814, 767721, 1023628, 1535442, 1791349, 3070884, 3582698, 5374047, 7165396, 10748094, 21496188]

約数ペア:

[(1, 21496188), (2, 10748094), (3, 7165396), (4, 5374047), (6, 3582698), (7, 3070884), (12, 1791349), (14, 1535442), (21, 1023628), (28, 767721), (42, 511814), (84, 255907)]