21321850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38767}}^1$

素因数の和:38790

約数の個数: 24

約数和(自身を含む): 43265088

約数和(自身を除く): 21943238

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38767, 77534, 193835, 387670, 426437, 852874, 969175, 1938350, 2132185, 4264370, 10660925, 21321850]

約数ペア:

[(1, 21321850), (2, 10660925), (5, 4264370), (10, 2132185), (11, 1938350), (22, 969175), (25, 852874), (50, 426437), (55, 387670), (110, 193835), (275, 77534), (550, 38767)]