21897370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18097}}^1$

素因数の和:18126

約数の個数: 24

約数和(自身を含む): 43326612

約数和(自身を除く): 21429242

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18097, 36194, 90485, 180970, 199067, 398134, 995335, 1990670, 2189737, 4379474, 10948685, 21897370]

約数ペア:

[(1, 21897370), (2, 10948685), (5, 4379474), (10, 2189737), (11, 1990670), (22, 995335), (55, 398134), (110, 199067), (121, 180970), (242, 90485), (605, 36194), (1210, 18097)]