21237370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27581}}^1$

素因数の和:27606

約数の個数: 32

約数和(自身を含む): 47661696

約数和(自身を除く): 26424326

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27581, 55162, 137905, 193067, 275810, 303391, 386134, 606782, 965335, 1516955, 1930670, 2123737, 3033910, 4247474, 10618685, 21237370]

約数ペア:

[(1, 21237370), (2, 10618685), (5, 4247474), (7, 3033910), (10, 2123737), (11, 1930670), (14, 1516955), (22, 965335), (35, 606782), (55, 386134), (70, 303391), (77, 275810), (110, 193067), (154, 137905), (385, 55162), (770, 27581)]