21135744

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{2621}}^1$

素因数の和:2648

約数の個数: 96

約数和(自身を含む): 69535440

約数和(自身を除く): 48399696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2621, 2688, 4032, 5242, 7863, 8064, 10484, 15726, 18347, 20968, 23589, 31452, 36694, 41936, 47178, 55041, 62904, 73388, 83872, 94356, 110082, 125808, 146776, 165123, 167744, 188712, 220164, 251616, 293552, 330246, 335488, 377424, 440328, 503232, 587104, 660492, 754848, 880656, 1006464, 1174208, 1320984, 1509696, 1761312, 2348416, 2641968, 3019392, 3522624, 5283936, 7045248, 10567872, 21135744]

約数ペア:

[(1, 21135744), (2, 10567872), (3, 7045248), (4, 5283936), (6, 3522624), (7, 3019392), (8, 2641968), (9, 2348416), (12, 1761312), (14, 1509696), (16, 1320984), (18, 1174208), (21, 1006464), (24, 880656), (28, 754848), (32, 660492), (36, 587104), (42, 503232), (48, 440328), (56, 377424), (63, 335488), (64, 330246), (72, 293552), (84, 251616), (96, 220164), (112, 188712), (126, 167744), (128, 165123), (144, 146776), (168, 125808), (192, 110082), (224, 94356), (252, 83872), (288, 73388), (336, 62904), (384, 55041), (448, 47178), (504, 41936), (576, 36694), (672, 31452), (896, 23589), (1008, 20968), (1152, 18347), (1344, 15726), (2016, 10484), (2621, 8064), (2688, 7863), (4032, 5242)]