21541324

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1471}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 43194368

約数和(自身を除く): 21653044

約数列:

[1, 2, 4, 7, 14, 28, 523, 1046, 1471, 2092, 2942, 3661, 5884, 7322, 10297, 14644, 20594, 41188, 769333, 1538666, 3077332, 5385331, 10770662, 21541324]

約数ペア:

[(1, 21541324), (2, 10770662), (4, 5385331), (7, 3077332), (14, 1538666), (28, 769333), (523, 41188), (1046, 20594), (1471, 14644), (2092, 10297), (2942, 7322), (3661, 5884)]