21999265536

素因数分解:

$2^8\times 3^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1\times {\mathrm{613}}^1$

素因数の和:1278

約数の個数: 144

約数和(自身を含む): 59457638016

約数和(自身を除く): 37458372480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 256, 332, 384, 498, 563, 613, 664, 768, 996, 1126, 1226, 1328, 1689, 1839, 1992, 2252, 2452, 2656, 3378, 3678, 3984, 4504, 4904, 5312, 6756, 7356, 7968, 9008, 9808, 10624, 13512, 14712, 15936, 18016, 19616, 21248, 27024, 29424, 31872, 36032, 39232, 46729, 50879, 54048, 58848, 63744, 72064, 78464, 93458, 101758, 108096, 117696, 140187, 144128, 152637, 156928, 186916, 203516, 216192, 235392, 280374, 305274, 345119, 373832, 407032, 432384, 470784, 560748, 610548, 690238, 747664, 814064, 1035357, 1121496, 1221096, 1380476, 1495328, 1628128, 2070714, 2242992, 2442192, 2760952, 2990656, 3256256, 4141428, 4485984, 4884384, 5521904, 5981312, 6512512, 8282856, 8971968, 9768768, 11043808, 11962624, 13025024, 16565712, 17943936, 19537536, 22087616, 28644877, 33131424, 35887872, 39075072, 44175232, 57289754, 66262848, 85934631, 88350464, 114579508, 132525696, 171869262, 229159016, 265051392, 343738524, 458318032, 687477048, 916636064, 1374954096, 1833272128, 2749908192, 3666544256, 5499816384, 7333088512, 10999632768, 21999265536]

約数ペア:

[(1, 21999265536), (2, 10999632768), (3, 7333088512), (4, 5499816384), (6, 3666544256), (8, 2749908192), (12, 1833272128), (16, 1374954096), (24, 916636064), (32, 687477048), (48, 458318032), (64, 343738524), (83, 265051392), (96, 229159016), (128, 171869262), (166, 132525696), (192, 114579508), (249, 88350464), (256, 85934631), (332, 66262848), (384, 57289754), (498, 44175232), (563, 39075072), (613, 35887872), (664, 33131424), (768, 28644877), (996, 22087616), (1126, 19537536), (1226, 17943936), (1328, 16565712), (1689, 13025024), (1839, 11962624), (1992, 11043808), (2252, 9768768), (2452, 8971968), (2656, 8282856), (3378, 6512512), (3678, 5981312), (3984, 5521904), (4504, 4884384), (4904, 4485984), (5312, 4141428), (6756, 3256256), (7356, 2990656), (7968, 2760952), (9008, 2442192), (9808, 2242992), (10624, 2070714), (13512, 1628128), (14712, 1495328), (15936, 1380476), (18016, 1221096), (19616, 1121496), (21248, 1035357), (27024, 814064), (29424, 747664), (31872, 690238), (36032, 610548), (39232, 560748), (46729, 470784), (50879, 432384), (54048, 407032), (58848, 373832), (63744, 345119), (72064, 305274), (78464, 280374), (93458, 235392), (101758, 216192), (108096, 203516), (117696, 186916), (140187, 156928), (144128, 152637)]