21471296

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4357}}^1$

素因数の和:4387

約数の個数: 56

約数和(自身を含む): 53132736

約数和(自身を除く): 31661440

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, 4357, 4928, 8714, 17428, 30499, 34856, 47927, 60998, 69712, 95854, 121996, 139424, 191708, 243992, 278848, 335489, 383416, 487984, 670978, 766832, 975968, 1341956, 1533664, 1951936, 2683912, 3067328, 5367824, 10735648, 21471296]

約数ペア:

[(1, 21471296), (2, 10735648), (4, 5367824), (7, 3067328), (8, 2683912), (11, 1951936), (14, 1533664), (16, 1341956), (22, 975968), (28, 766832), (32, 670978), (44, 487984), (56, 383416), (64, 335489), (77, 278848), (88, 243992), (112, 191708), (154, 139424), (176, 121996), (224, 95854), (308, 69712), (352, 60998), (448, 47927), (616, 34856), (704, 30499), (1232, 17428), (2464, 8714), (4357, 4928)]