21112629

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{631}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 29729280

約数和(自身を除く): 8616651

約数列:

[1, 3, 19, 57, 587, 631, 1761, 1893, 11153, 11989, 33459, 35967, 370397, 1111191, 7037543, 21112629]

約数ペア:

[(1, 21112629), (3, 7037543), (19, 1111191), (57, 370397), (587, 35967), (631, 33459), (1761, 11989), (1893, 11153)]