21285782

素因数分解:

$2^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1433}}^1$

素因数の和:2503

約数の個数: 16

約数和(自身を含む): 36549792

約数和(自身を除く): 15264010

約数列:

[1, 2, 7, 14, 1061, 1433, 2122, 2866, 7427, 10031, 14854, 20062, 1520413, 3040826, 10642891, 21285782]

約数ペア:

[(1, 21285782), (2, 10642891), (7, 3040826), (14, 1520413), (1061, 20062), (1433, 14854), (2122, 10031), (2866, 7427)]