21724864

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:773

約数の個数: 56

約数和(自身を含む): 50035968

約数和(自身を除く): 28311104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 683, 994, 1136, 1366, 1988, 2272, 2732, 3976, 4544, 4781, 5464, 7952, 9562, 10928, 15904, 19124, 21856, 31808, 38248, 43712, 48493, 76496, 96986, 152992, 193972, 305984, 339451, 387944, 678902, 775888, 1357804, 1551776, 2715608, 3103552, 5431216, 10862432, 21724864]

約数ペア:

[(1, 21724864), (2, 10862432), (4, 5431216), (7, 3103552), (8, 2715608), (14, 1551776), (16, 1357804), (28, 775888), (32, 678902), (56, 387944), (64, 339451), (71, 305984), (112, 193972), (142, 152992), (224, 96986), (284, 76496), (448, 48493), (497, 43712), (568, 38248), (683, 31808), (994, 21856), (1136, 19124), (1366, 15904), (1988, 10928), (2272, 9562), (2732, 7952), (3976, 5464), (4544, 4781)]