21506304

素因数分解:

$2^8\times 3^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 58720032

約数和(自身を除く): 37213728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 656, 683, 768, 984, 1312, 1366, 1968, 2049, 2624, 2732, 3936, 4098, 5248, 5464, 7872, 8196, 10496, 10928, 15744, 16392, 21856, 28003, 31488, 32784, 43712, 56006, 65568, 84009, 87424, 112012, 131136, 168018, 174848, 224024, 262272, 336036, 448048, 524544, 672072, 896096, 1344144, 1792192, 2688288, 3584384, 5376576, 7168768, 10753152, 21506304]

約数ペア:

[(1, 21506304), (2, 10753152), (3, 7168768), (4, 5376576), (6, 3584384), (8, 2688288), (12, 1792192), (16, 1344144), (24, 896096), (32, 672072), (41, 524544), (48, 448048), (64, 336036), (82, 262272), (96, 224024), (123, 174848), (128, 168018), (164, 131136), (192, 112012), (246, 87424), (256, 84009), (328, 65568), (384, 56006), (492, 43712), (656, 32784), (683, 31488), (768, 28003), (984, 21856), (1312, 16392), (1366, 15744), (1968, 10928), (2049, 10496), (2624, 8196), (2732, 7872), (3936, 5464), (4098, 5248)]