21488376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9839}}^1$

素因数の和:9868

約数の個数: 64

約数和(自身を含む): 66124800

約数和(自身を除く): 44636424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9839, 19678, 29517, 39356, 59034, 68873, 78712, 118068, 127907, 137746, 206619, 236136, 255814, 275492, 383721, 413238, 511628, 550984, 767442, 826476, 895349, 1023256, 1534884, 1652952, 1790698, 2686047, 3069768, 3581396, 5372094, 7162792, 10744188, 21488376]

約数ペア:

[(1, 21488376), (2, 10744188), (3, 7162792), (4, 5372094), (6, 3581396), (7, 3069768), (8, 2686047), (12, 1790698), (13, 1652952), (14, 1534884), (21, 1023256), (24, 895349), (26, 826476), (28, 767442), (39, 550984), (42, 511628), (52, 413238), (56, 383721), (78, 275492), (84, 255814), (91, 236136), (104, 206619), (156, 137746), (168, 127907), (182, 118068), (273, 78712), (312, 68873), (364, 59034), (546, 39356), (728, 29517), (1092, 19678), (2184, 9839)]