21080874

素因数分解:

$2^1\times 3^1\times {\mathrm{1217}}^1\times {\mathrm{2887}}^1$

素因数の和:4109

約数の個数: 16

約数和(自身を含む): 42211008

約数和(自身を除く): 21130134

約数列:

[1, 2, 3, 6, 1217, 2434, 2887, 3651, 5774, 7302, 8661, 17322, 3513479, 7026958, 10540437, 21080874]

約数ペア:

[(1, 21080874), (2, 10540437), (3, 7026958), (6, 3513479), (1217, 17322), (2434, 8661), (2887, 7302), (3651, 5774)]