21000292752

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{953}}^1\times {\mathrm{2749}}^1$

素因数の和:3880

約数の個数: 80

約数和(自身を含む): 54652752000

約数和(自身を除く): 33652459248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 334, 501, 668, 953, 1002, 1336, 1906, 2004, 2672, 2749, 2859, 3812, 4008, 5498, 5718, 7624, 8016, 8247, 10996, 11436, 15248, 16494, 21992, 22872, 32988, 43984, 45744, 65976, 131952, 159151, 318302, 459083, 477453, 636604, 918166, 954906, 1273208, 1377249, 1836332, 1909812, 2546416, 2619797, 2754498, 3672664, 3819624, 5239594, 5508996, 7345328, 7639248, 7859391, 10479188, 11017992, 15718782, 20958376, 22035984, 31437564, 41916752, 62875128, 125750256, 437506099, 875012198, 1312518297, 1750024396, 2625036594, 3500048792, 5250073188, 7000097584, 10500146376, 21000292752]

約数ペア:

[(1, 21000292752), (2, 10500146376), (3, 7000097584), (4, 5250073188), (6, 3500048792), (8, 2625036594), (12, 1750024396), (16, 1312518297), (24, 875012198), (48, 437506099), (167, 125750256), (334, 62875128), (501, 41916752), (668, 31437564), (953, 22035984), (1002, 20958376), (1336, 15718782), (1906, 11017992), (2004, 10479188), (2672, 7859391), (2749, 7639248), (2859, 7345328), (3812, 5508996), (4008, 5239594), (5498, 3819624), (5718, 3672664), (7624, 2754498), (8016, 2619797), (8247, 2546416), (10996, 1909812), (11436, 1836332), (15248, 1377249), (16494, 1273208), (21992, 954906), (22872, 918166), (32988, 636604), (43984, 477453), (45744, 459083), (65976, 318302), (131952, 159151)]