21132576

素因数分解:

$2^5\times 3^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 120

約数和(自身を含む): 64399104

約数和(自身を除く): 43266528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 124, 144, 162, 186, 216, 248, 263, 279, 288, 324, 372, 432, 496, 526, 558, 648, 744, 789, 837, 864, 992, 1052, 1116, 1296, 1488, 1578, 1674, 2104, 2232, 2367, 2511, 2592, 2976, 3156, 3348, 4208, 4464, 4734, 5022, 6312, 6696, 7101, 8153, 8416, 8928, 9468, 10044, 12624, 13392, 14202, 16306, 18936, 20088, 21303, 24459, 25248, 26784, 28404, 32612, 37872, 40176, 42606, 48918, 56808, 65224, 73377, 75744, 80352, 85212, 97836, 113616, 130448, 146754, 170424, 195672, 220131, 227232, 260896, 293508, 340848, 391344, 440262, 587016, 660393, 681696, 782688, 880524, 1174032, 1320786, 1761048, 2348064, 2641572, 3522096, 5283144, 7044192, 10566288, 21132576]

約数ペア:

[(1, 21132576), (2, 10566288), (3, 7044192), (4, 5283144), (6, 3522096), (8, 2641572), (9, 2348064), (12, 1761048), (16, 1320786), (18, 1174032), (24, 880524), (27, 782688), (31, 681696), (32, 660393), (36, 587016), (48, 440262), (54, 391344), (62, 340848), (72, 293508), (81, 260896), (93, 227232), (96, 220131), (108, 195672), (124, 170424), (144, 146754), (162, 130448), (186, 113616), (216, 97836), (248, 85212), (263, 80352), (279, 75744), (288, 73377), (324, 65224), (372, 56808), (432, 48918), (496, 42606), (526, 40176), (558, 37872), (648, 32612), (744, 28404), (789, 26784), (837, 25248), (864, 24459), (992, 21303), (1052, 20088), (1116, 18936), (1296, 16306), (1488, 14202), (1578, 13392), (1674, 12624), (2104, 10044), (2232, 9468), (2367, 8928), (2511, 8416), (2592, 8153), (2976, 7101), (3156, 6696), (3348, 6312), (4208, 5022), (4464, 4734)]