21081396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250969}}^1$

素因数の和:250983

約数の個数: 24

約数和(自身を含む): 56217280

約数和(自身を除く): 35135884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250969, 501938, 752907, 1003876, 1505814, 1756783, 3011628, 3513566, 5270349, 7027132, 10540698, 21081396]

約数ペア:

[(1, 21081396), (2, 10540698), (3, 7027132), (4, 5270349), (6, 3513566), (7, 3011628), (12, 1756783), (14, 1505814), (21, 1003876), (28, 752907), (42, 501938), (84, 250969)]