21984768

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:404

約数の個数: 120

約数和(自身を含む): 68516448

約数和(自身を除く): 46531680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 367, 384, 416, 468, 512, 576, 624, 734, 768, 832, 936, 1101, 1152, 1248, 1468, 1536, 1664, 1872, 2202, 2304, 2496, 2936, 3303, 3328, 3744, 4404, 4608, 4771, 4992, 5872, 6606, 6656, 7488, 8808, 9542, 9984, 11744, 13212, 14313, 14976, 17616, 19084, 19968, 23488, 26424, 28626, 29952, 35232, 38168, 42939, 46976, 52848, 57252, 59904, 70464, 76336, 85878, 93952, 105696, 114504, 140928, 152672, 171756, 187904, 211392, 229008, 281856, 305344, 343512, 422784, 458016, 563712, 610688, 687024, 845568, 916032, 1221376, 1374048, 1691136, 1832064, 2442752, 2748096, 3664128, 5496192, 7328256, 10992384, 21984768]

約数ペア:

[(1, 21984768), (2, 10992384), (3, 7328256), (4, 5496192), (6, 3664128), (8, 2748096), (9, 2442752), (12, 1832064), (13, 1691136), (16, 1374048), (18, 1221376), (24, 916032), (26, 845568), (32, 687024), (36, 610688), (39, 563712), (48, 458016), (52, 422784), (64, 343512), (72, 305344), (78, 281856), (96, 229008), (104, 211392), (117, 187904), (128, 171756), (144, 152672), (156, 140928), (192, 114504), (208, 105696), (234, 93952), (256, 85878), (288, 76336), (312, 70464), (367, 59904), (384, 57252), (416, 52848), (468, 46976), (512, 42939), (576, 38168), (624, 35232), (734, 29952), (768, 28626), (832, 26424), (936, 23488), (1101, 19968), (1152, 19084), (1248, 17616), (1468, 14976), (1536, 14313), (1664, 13212), (1872, 11744), (2202, 9984), (2304, 9542), (2496, 8808), (2936, 7488), (3303, 6656), (3328, 6606), (3744, 5872), (4404, 4992), (4608, 4771)]