21083777

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3137}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 25304832

約数和(自身を除く): 4221055

約数列:

[1, 11, 13, 47, 143, 517, 611, 3137, 6721, 34507, 40781, 147439, 448591, 1621829, 1916707, 21083777]

約数ペア:

[(1, 21083777), (11, 1916707), (13, 1621829), (47, 448591), (143, 147439), (517, 40781), (611, 34507), (3137, 6721)]