21011544

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^2\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 59106060

約数和(自身を除く): 38094516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 347, 348, 522, 694, 696, 841, 1041, 1044, 1388, 1682, 2082, 2088, 2523, 2776, 3123, 3364, 4164, 5046, 6246, 6728, 7569, 8328, 10063, 10092, 12492, 15138, 20126, 20184, 24984, 30189, 30276, 40252, 60378, 60552, 80504, 90567, 120756, 181134, 241512, 291827, 362268, 583654, 724536, 875481, 1167308, 1750962, 2334616, 2626443, 3501924, 5252886, 7003848, 10505772, 21011544]

約数ペア:

[(1, 21011544), (2, 10505772), (3, 7003848), (4, 5252886), (6, 3501924), (8, 2626443), (9, 2334616), (12, 1750962), (18, 1167308), (24, 875481), (29, 724536), (36, 583654), (58, 362268), (72, 291827), (87, 241512), (116, 181134), (174, 120756), (232, 90567), (261, 80504), (347, 60552), (348, 60378), (522, 40252), (694, 30276), (696, 30189), (841, 24984), (1041, 20184), (1044, 20126), (1388, 15138), (1682, 12492), (2082, 10092), (2088, 10063), (2523, 8328), (2776, 7569), (3123, 6728), (3364, 6246), (4164, 5046)]