21537552

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 58315712

約数和(自身を除く): 36778160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 67, 74, 111, 134, 148, 181, 201, 222, 268, 296, 362, 402, 444, 536, 543, 592, 724, 804, 888, 1072, 1086, 1448, 1608, 1776, 2172, 2479, 2896, 3216, 4344, 4958, 6697, 7437, 8688, 9916, 12127, 13394, 14874, 19832, 20091, 24254, 26788, 29748, 36381, 39664, 40182, 48508, 53576, 59496, 72762, 80364, 97016, 107152, 118992, 145524, 160728, 194032, 291048, 321456, 448699, 582096, 897398, 1346097, 1794796, 2692194, 3589592, 5384388, 7179184, 10768776, 21537552]

約数ペア:

[(1, 21537552), (2, 10768776), (3, 7179184), (4, 5384388), (6, 3589592), (8, 2692194), (12, 1794796), (16, 1346097), (24, 897398), (37, 582096), (48, 448699), (67, 321456), (74, 291048), (111, 194032), (134, 160728), (148, 145524), (181, 118992), (201, 107152), (222, 97016), (268, 80364), (296, 72762), (362, 59496), (402, 53576), (444, 48508), (536, 40182), (543, 39664), (592, 36381), (724, 29748), (804, 26788), (888, 24254), (1072, 20091), (1086, 19832), (1448, 14874), (1608, 13394), (1776, 12127), (2172, 9916), (2479, 8688), (2896, 7437), (3216, 6697), (4344, 4958)]