21439488

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 88

約数和(自身を含む): 65372992

約数和(自身を除く): 43933504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 997, 1024, 1344, 1536, 1792, 1994, 2688, 2991, 3072, 3584, 3988, 5376, 5982, 6979, 7168, 7976, 10752, 11964, 13958, 15952, 20937, 21504, 23928, 27916, 31904, 41874, 47856, 55832, 63808, 83748, 95712, 111664, 127616, 167496, 191424, 223328, 255232, 334992, 382848, 446656, 510464, 669984, 765696, 893312, 1020928, 1339968, 1531392, 1786624, 2679936, 3062784, 3573248, 5359872, 7146496, 10719744, 21439488]

約数ペア:

[(1, 21439488), (2, 10719744), (3, 7146496), (4, 5359872), (6, 3573248), (7, 3062784), (8, 2679936), (12, 1786624), (14, 1531392), (16, 1339968), (21, 1020928), (24, 893312), (28, 765696), (32, 669984), (42, 510464), (48, 446656), (56, 382848), (64, 334992), (84, 255232), (96, 223328), (112, 191424), (128, 167496), (168, 127616), (192, 111664), (224, 95712), (256, 83748), (336, 63808), (384, 55832), (448, 47856), (512, 41874), (672, 31904), (768, 27916), (896, 23928), (997, 21504), (1024, 20937), (1344, 15952), (1536, 13958), (1792, 11964), (1994, 10752), (2688, 7976), (2991, 7168), (3072, 6979), (3584, 5982), (3988, 5376)]