21950553

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3389}}^1$

素因数の和:3536

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 9291687

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3389, 6477, 10167, 57613, 172839, 430403, 1291209, 7316851, 21950553]

約数ペア:

[(1, 21950553), (3, 7316851), (17, 1291209), (51, 430403), (127, 172839), (381, 57613), (2159, 10167), (3389, 6477)]