21572794

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 11475206

約数列:

[1, 2, 67, 134, 199, 398, 809, 1618, 13333, 26666, 54203, 108406, 160991, 321982, 10786397, 21572794]

約数ペア:

[(1, 21572794), (2, 10786397), (67, 321982), (134, 160991), (199, 108406), (398, 54203), (809, 26666), (1618, 13333)]