21278623968

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{502613}}^1$

素因数の和:502646

約数の個数: 144

約数和(自身を含む): 72195474960

約数和(自身を除く): 50916850992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1512, 1568, 1764, 2016, 2352, 2646, 3024, 3528, 4704, 5292, 6048, 7056, 10584, 14112, 21168, 42336, 502613, 1005226, 1507839, 2010452, 3015678, 3518291, 4020904, 4523517, 6031356, 7036582, 8041808, 9047034, 10554873, 12062712, 13570551, 14073164, 16083616, 18094068, 21109746, 24125424, 24628037, 27141102, 28146328, 31664619, 36188136, 42219492, 48250848, 49256074, 54282204, 56292656, 63329238, 72376272, 73884111, 84438984, 94993857, 98512148, 108564408, 112585312, 126658476, 144752544, 147768222, 168877968, 189987714, 197024296, 217128816, 221652333, 253316952, 295536444, 337755936, 379975428, 394048592, 434257632, 443304666, 506633904, 591072888, 664956999, 759950856, 788097184, 886609332, 1013267808, 1182145776, 1329913998, 1519901712, 1773218664, 2364291552, 2659827996, 3039803424, 3546437328, 5319655992, 7092874656, 10639311984, 21278623968]

約数ペア:

[(1, 21278623968), (2, 10639311984), (3, 7092874656), (4, 5319655992), (6, 3546437328), (7, 3039803424), (8, 2659827996), (9, 2364291552), (12, 1773218664), (14, 1519901712), (16, 1329913998), (18, 1182145776), (21, 1013267808), (24, 886609332), (27, 788097184), (28, 759950856), (32, 664956999), (36, 591072888), (42, 506633904), (48, 443304666), (49, 434257632), (54, 394048592), (56, 379975428), (63, 337755936), (72, 295536444), (84, 253316952), (96, 221652333), (98, 217128816), (108, 197024296), (112, 189987714), (126, 168877968), (144, 147768222), (147, 144752544), (168, 126658476), (189, 112585312), (196, 108564408), (216, 98512148), (224, 94993857), (252, 84438984), (288, 73884111), (294, 72376272), (336, 63329238), (378, 56292656), (392, 54282204), (432, 49256074), (441, 48250848), (504, 42219492), (588, 36188136), (672, 31664619), (756, 28146328), (784, 27141102), (864, 24628037), (882, 24125424), (1008, 21109746), (1176, 18094068), (1323, 16083616), (1512, 14073164), (1568, 13570551), (1764, 12062712), (2016, 10554873), (2352, 9047034), (2646, 8041808), (3024, 7036582), (3528, 6031356), (4704, 4523517), (5292, 4020904), (6048, 3518291), (7056, 3015678), (10584, 2010452), (14112, 1507839), (21168, 1005226), (42336, 502613)]