21168384

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 57738912

約数和(自身を除く): 36570528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 641, 688, 768, 1032, 1282, 1376, 1923, 2064, 2564, 2752, 3846, 4128, 5128, 5504, 7692, 8256, 10256, 11008, 15384, 16512, 20512, 27563, 30768, 33024, 41024, 55126, 61536, 82048, 82689, 110252, 123072, 164096, 165378, 220504, 246144, 330756, 441008, 492288, 661512, 882016, 1323024, 1764032, 2646048, 3528064, 5292096, 7056128, 10584192, 21168384]

約数ペア:

[(1, 21168384), (2, 10584192), (3, 7056128), (4, 5292096), (6, 3528064), (8, 2646048), (12, 1764032), (16, 1323024), (24, 882016), (32, 661512), (43, 492288), (48, 441008), (64, 330756), (86, 246144), (96, 220504), (128, 165378), (129, 164096), (172, 123072), (192, 110252), (256, 82689), (258, 82048), (344, 61536), (384, 55126), (516, 41024), (641, 33024), (688, 30768), (768, 27563), (1032, 20512), (1282, 16512), (1376, 15384), (1923, 11008), (2064, 10256), (2564, 8256), (2752, 7692), (3846, 5504), (4128, 5128)]