21109323

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 29792000

約数和(自身を除く): 8682677

約数列:

[1, 3, 19, 57, 199, 597, 1861, 3781, 5583, 11343, 35359, 106077, 370339, 1111017, 7036441, 21109323]

約数ペア:

[(1, 21109323), (3, 7036441), (19, 1111017), (57, 370339), (199, 106077), (597, 35359), (1861, 11343), (3781, 5583)]