21057344

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4273}}^1$

素因数の和:4303

約数の個数: 56

約数和(自身を含む): 52108608

約数和(自身を除く): 31051264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4273, 4928, 8546, 17092, 29911, 34184, 47003, 59822, 68368, 94006, 119644, 136736, 188012, 239288, 273472, 329021, 376024, 478576, 658042, 752048, 957152, 1316084, 1504096, 1914304, 2632168, 3008192, 5264336, 10528672, 21057344]

約数ペア:

[(1, 21057344), (2, 10528672), (4, 5264336), (7, 3008192), (8, 2632168), (11, 1914304), (14, 1504096), (16, 1316084), (22, 957152), (28, 752048), (32, 658042), (44, 478576), (56, 376024), (64, 329021), (77, 273472), (88, 239288), (112, 188012), (154, 136736), (176, 119644), (224, 94006), (308, 68368), (352, 59822), (448, 47003), (616, 34184), (704, 29911), (1232, 17092), (2464, 8546), (4273, 4928)]