21974193

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4993}}^1$

素因数の和:5165

約数の個数: 16

約数和(自身を含む): 32760640

約数和(自身を除く): 10786447

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4993, 14979, 44937, 134811, 813859, 2441577, 7324731, 21974193]

約数ペア:

[(1, 21974193), (3, 7324731), (9, 2441577), (27, 813859), (163, 134811), (489, 44937), (1467, 14979), (4401, 4993)]