21411396

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20509}}^1$

素因数の和:20548

約数の個数: 36

約数和(自身を含む): 55992300

約数和(自身を除く): 34580904

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20509, 41018, 61527, 82036, 123054, 184581, 246108, 369162, 594761, 738324, 1189522, 1784283, 2379044, 3568566, 5352849, 7137132, 10705698, 21411396]

約数ペア:

[(1, 21411396), (2, 10705698), (3, 7137132), (4, 5352849), (6, 3568566), (9, 2379044), (12, 1784283), (18, 1189522), (29, 738324), (36, 594761), (58, 369162), (87, 246108), (116, 184581), (174, 123054), (261, 82036), (348, 61527), (522, 41018), (1044, 20509)]