21740241

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1327}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 29917184

約数和(自身を除く): 8176943

約数列:

[1, 3, 43, 127, 129, 381, 1327, 3981, 5461, 16383, 57061, 168529, 171183, 505587, 7246747, 21740241]

約数ペア:

[(1, 21740241), (3, 7246747), (43, 505587), (127, 171183), (129, 168529), (381, 57061), (1327, 16383), (3981, 5461)]