21288564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53759}}^1$

素因数の和:53780

約数の個数: 36

約数和(自身を含む): 58705920

約数和(自身を除く): 37417356

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53759, 107518, 161277, 215036, 322554, 483831, 591349, 645108, 967662, 1182698, 1774047, 1935324, 2365396, 3548094, 5322141, 7096188, 10644282, 21288564]

約数ペア:

[(1, 21288564), (2, 10644282), (3, 7096188), (4, 5322141), (6, 3548094), (9, 2365396), (11, 1935324), (12, 1774047), (18, 1182698), (22, 967662), (33, 645108), (36, 591349), (44, 483831), (66, 322554), (99, 215036), (132, 161277), (198, 107518), (396, 53759)]