21464976

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 61246080

約数和(自身を除く): 39781104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 839, 984, 1066, 1599, 1678, 1968, 2132, 2517, 3198, 3356, 4264, 5034, 6396, 6712, 8528, 10068, 10907, 12792, 13424, 20136, 21814, 25584, 32721, 34399, 40272, 43628, 65442, 68798, 87256, 103197, 130884, 137596, 174512, 206394, 261768, 275192, 412788, 447187, 523536, 550384, 825576, 894374, 1341561, 1651152, 1788748, 2683122, 3577496, 5366244, 7154992, 10732488, 21464976]

約数ペア:

[(1, 21464976), (2, 10732488), (3, 7154992), (4, 5366244), (6, 3577496), (8, 2683122), (12, 1788748), (13, 1651152), (16, 1341561), (24, 894374), (26, 825576), (39, 550384), (41, 523536), (48, 447187), (52, 412788), (78, 275192), (82, 261768), (104, 206394), (123, 174512), (156, 137596), (164, 130884), (208, 103197), (246, 87256), (312, 68798), (328, 65442), (492, 43628), (533, 40272), (624, 34399), (656, 32721), (839, 25584), (984, 21814), (1066, 20136), (1599, 13424), (1678, 12792), (1968, 10907), (2132, 10068), (2517, 8528), (3198, 6712), (3356, 6396), (4264, 5034)]