21151444

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1543}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 38908800

約数和(自身を除く): 17757356

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1543, 3086, 3427, 6172, 6854, 13708, 35489, 70978, 141956, 229907, 459814, 919628, 5287861, 10575722, 21151444]

約数ペア:

[(1, 21151444), (2, 10575722), (4, 5287861), (23, 919628), (46, 459814), (92, 229907), (149, 141956), (298, 70978), (596, 35489), (1543, 13708), (3086, 6854), (3427, 6172)]