20210380821

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{38903}}^1$

素因数の和:39254

約数の個数: 32

約数和(自身を含む): 30475837440

約数和(自身を除く): 10265456619

約数列:

[1, 3, 9, 27, 71, 213, 271, 639, 813, 1917, 2439, 7317, 19241, 38903, 57723, 116709, 173169, 350127, 519507, 1050381, 2762113, 8286339, 10542713, 24859017, 31628139, 74577051, 94884417, 284653251, 748532623, 2245597869, 6736793607, 20210380821]

約数ペア:

[(1, 20210380821), (3, 6736793607), (9, 2245597869), (27, 748532623), (71, 284653251), (213, 94884417), (271, 74577051), (639, 31628139), (813, 24859017), (1917, 10542713), (2439, 8286339), (7317, 2762113), (19241, 1050381), (38903, 519507), (57723, 350127), (116709, 173169)]