21189246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271657}}^1$

素因数の和:271675

約数の個数: 16

約数和(自身を含む): 45638544

約数和(自身を除く): 24449298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271657, 543314, 814971, 1629942, 3531541, 7063082, 10594623, 21189246]

約数ペア:

[(1, 21189246), (2, 10594623), (3, 7063082), (6, 3531541), (13, 1629942), (26, 814971), (39, 543314), (78, 271657)]