21659193

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 10838727

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 711, 743, 2229, 3239, 6687, 9717, 29151, 30463, 58697, 91389, 176091, 274167, 528273, 2406577, 7219731, 21659193]

約数ペア:

[(1, 21659193), (3, 7219731), (9, 2406577), (41, 528273), (79, 274167), (123, 176091), (237, 91389), (369, 58697), (711, 30463), (743, 29151), (2229, 9717), (3239, 6687)]