21339378

素因数分解:

$2^1\times 3^2\times {\mathrm{1069}}^1\times {\mathrm{1109}}^1$

素因数の和:2186

約数の個数: 24

約数和(自身を含む): 46320300

約数和(自身を除く): 24980922

約数列:

[1, 2, 3, 6, 9, 18, 1069, 1109, 2138, 2218, 3207, 3327, 6414, 6654, 9621, 9981, 19242, 19962, 1185521, 2371042, 3556563, 7113126, 10669689, 21339378]

約数ペア:

[(1, 21339378), (2, 10669689), (3, 7113126), (6, 3556563), (9, 2371042), (18, 1185521), (1069, 19962), (1109, 19242), (2138, 9981), (2218, 9621), (3207, 6654), (3327, 6414)]