21504448

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2129

約数の個数: 56

約数和(自身を含む): 50913792

約数和(自身を除く): 29409344

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 2087, 2576, 4174, 5152, 8348, 10304, 14609, 16696, 29218, 33392, 48001, 58436, 66784, 96002, 116872, 133568, 192004, 233744, 336007, 384008, 467488, 672014, 768016, 934976, 1344028, 1536032, 2688056, 3072064, 5376112, 10752224, 21504448]

約数ペア:

[(1, 21504448), (2, 10752224), (4, 5376112), (7, 3072064), (8, 2688056), (14, 1536032), (16, 1344028), (23, 934976), (28, 768016), (32, 672014), (46, 467488), (56, 384008), (64, 336007), (92, 233744), (112, 192004), (161, 133568), (184, 116872), (224, 96002), (322, 66784), (368, 58436), (448, 48001), (644, 33392), (736, 29218), (1288, 16696), (1472, 14609), (2087, 10304), (2576, 8348), (4174, 5152)]