21944559

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 37187584

約数和(自身を除く): 15243025

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2593, 2821, 7779, 8463, 18151, 33709, 54453, 80383, 101127, 235963, 241149, 562681, 707889, 1044979, 1688043, 3134937, 7314853, 21944559]

約数ペア:

[(1, 21944559), (3, 7314853), (7, 3134937), (13, 1688043), (21, 1044979), (31, 707889), (39, 562681), (91, 241149), (93, 235963), (217, 101127), (273, 80383), (403, 54453), (651, 33709), (1209, 18151), (2593, 8463), (2821, 7779)]