21539496

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 37972824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 83, 88, 132, 166, 249, 264, 332, 498, 664, 913, 983, 996, 1826, 1966, 1992, 2739, 2949, 3652, 3932, 5478, 5898, 7304, 7864, 10813, 10956, 11796, 21626, 21912, 23592, 32439, 43252, 64878, 81589, 86504, 129756, 163178, 244767, 259512, 326356, 489534, 652712, 897479, 979068, 1794958, 1958136, 2692437, 3589916, 5384874, 7179832, 10769748, 21539496]

約数ペア:

[(1, 21539496), (2, 10769748), (3, 7179832), (4, 5384874), (6, 3589916), (8, 2692437), (11, 1958136), (12, 1794958), (22, 979068), (24, 897479), (33, 652712), (44, 489534), (66, 326356), (83, 259512), (88, 244767), (132, 163178), (166, 129756), (249, 86504), (264, 81589), (332, 64878), (498, 43252), (664, 32439), (913, 23592), (983, 21912), (996, 21626), (1826, 11796), (1966, 10956), (1992, 10813), (2739, 7864), (2949, 7304), (3652, 5898), (3932, 5478)]