21891456

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 65133120

約数和(自身を除く): 43241664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 558, 576, 613, 744, 992, 1116, 1152, 1226, 1488, 1839, 1984, 2232, 2452, 2976, 3678, 3968, 4464, 4904, 5517, 5952, 7356, 8928, 9808, 11034, 11904, 14712, 17856, 19003, 19616, 22068, 29424, 35712, 38006, 39232, 44136, 57009, 58848, 76012, 78464, 88272, 114018, 117696, 152024, 171027, 176544, 228036, 235392, 304048, 342054, 353088, 456072, 608096, 684108, 706176, 912144, 1216192, 1368216, 1824288, 2432384, 2736432, 3648576, 5472864, 7297152, 10945728, 21891456]

約数ペア:

[(1, 21891456), (2, 10945728), (3, 7297152), (4, 5472864), (6, 3648576), (8, 2736432), (9, 2432384), (12, 1824288), (16, 1368216), (18, 1216192), (24, 912144), (31, 706176), (32, 684108), (36, 608096), (48, 456072), (62, 353088), (64, 342054), (72, 304048), (93, 235392), (96, 228036), (124, 176544), (128, 171027), (144, 152024), (186, 117696), (192, 114018), (248, 88272), (279, 78464), (288, 76012), (372, 58848), (384, 57009), (496, 44136), (558, 39232), (576, 38006), (613, 35712), (744, 29424), (992, 22068), (1116, 19616), (1152, 19003), (1226, 17856), (1488, 14712), (1839, 11904), (1984, 11034), (2232, 9808), (2452, 8928), (2976, 7356), (3678, 5952), (3968, 5517), (4464, 4904)]