21841765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2857}}^1$

素因数の和:3012

約数の個数: 16

約数和(自身を含む): 28808640

約数和(自身を除く): 6966875

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2857, 7645, 14285, 31427, 157135, 397123, 1985615, 4368353, 21841765]

約数ペア:

[(1, 21841765), (5, 4368353), (11, 1985615), (55, 397123), (139, 157135), (695, 31427), (1529, 14285), (2857, 7645)]