21068301

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 28986048

約数和(自身を除く): 7917747

約数列:

[1, 3, 41, 123, 157, 471, 1091, 3273, 6437, 19311, 44731, 134193, 171287, 513861, 7022767, 21068301]

約数ペア:

[(1, 21068301), (3, 7022767), (41, 513861), (123, 171287), (157, 134193), (471, 44731), (1091, 19311), (3273, 6437)]