21324710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193861}}^1$

素因数の和:193879

約数の個数: 16

約数和(自身を含む): 41874192

約数和(自身を除く): 20549482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193861, 387722, 969305, 1938610, 2132471, 4264942, 10662355, 21324710]

約数ペア:

[(1, 21324710), (2, 10662355), (5, 4264942), (10, 2132471), (11, 1938610), (22, 969305), (55, 387722), (110, 193861)]