21054792

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 57879360

約数和(自身を除く): 36824568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 173, 264, 346, 461, 519, 692, 922, 1038, 1383, 1384, 1844, 1903, 2076, 2766, 3688, 3806, 4152, 5071, 5532, 5709, 7612, 10142, 11064, 11418, 15213, 15224, 20284, 22836, 30426, 40568, 45672, 60852, 79753, 121704, 159506, 239259, 319012, 478518, 638024, 877283, 957036, 1754566, 1914072, 2631849, 3509132, 5263698, 7018264, 10527396, 21054792]

約数ペア:

[(1, 21054792), (2, 10527396), (3, 7018264), (4, 5263698), (6, 3509132), (8, 2631849), (11, 1914072), (12, 1754566), (22, 957036), (24, 877283), (33, 638024), (44, 478518), (66, 319012), (88, 239259), (132, 159506), (173, 121704), (264, 79753), (346, 60852), (461, 45672), (519, 40568), (692, 30426), (922, 22836), (1038, 20284), (1383, 15224), (1384, 15213), (1844, 11418), (1903, 11064), (2076, 10142), (2766, 7612), (3688, 5709), (3806, 5532), (4152, 5071)]