21788784

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1675

約数の個数: 80

約数和(自身を含む): 64599040

約数和(自身を除く): 42810256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1627, 1674, 2232, 3254, 3348, 4464, 4881, 6508, 6696, 9762, 13016, 13392, 14643, 19524, 26032, 29286, 39048, 43929, 50437, 58572, 78096, 87858, 100874, 117144, 151311, 175716, 201748, 234288, 302622, 351432, 403496, 453933, 605244, 702864, 806992, 907866, 1210488, 1361799, 1815732, 2420976, 2723598, 3631464, 5447196, 7262928, 10894392, 21788784]

約数ペア:

[(1, 21788784), (2, 10894392), (3, 7262928), (4, 5447196), (6, 3631464), (8, 2723598), (9, 2420976), (12, 1815732), (16, 1361799), (18, 1210488), (24, 907866), (27, 806992), (31, 702864), (36, 605244), (48, 453933), (54, 403496), (62, 351432), (72, 302622), (93, 234288), (108, 201748), (124, 175716), (144, 151311), (186, 117144), (216, 100874), (248, 87858), (279, 78096), (372, 58572), (432, 50437), (496, 43929), (558, 39048), (744, 29286), (837, 26032), (1116, 19524), (1488, 14643), (1627, 13392), (1674, 13016), (2232, 9762), (3254, 6696), (3348, 6508), (4464, 4881)]