21824264

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30015736

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 499, 568, 616, 781, 994, 998, 1562, 1988, 1996, 3124, 3493, 3976, 3992, 5467, 5489, 6248, 6986, 10934, 10978, 13972, 21868, 21956, 27944, 35429, 38423, 43736, 43912, 70858, 76846, 141716, 153692, 248003, 283432, 307384, 389719, 496006, 779438, 992012, 1558876, 1984024, 2728033, 3117752, 5456066, 10912132, 21824264]

約数ペア:

[(1, 21824264), (2, 10912132), (4, 5456066), (7, 3117752), (8, 2728033), (11, 1984024), (14, 1558876), (22, 992012), (28, 779438), (44, 496006), (56, 389719), (71, 307384), (77, 283432), (88, 248003), (142, 153692), (154, 141716), (284, 76846), (308, 70858), (497, 43912), (499, 43736), (568, 38423), (616, 35429), (781, 27944), (994, 21956), (998, 21868), (1562, 13972), (1988, 10978), (1996, 10934), (3124, 6986), (3493, 6248), (3976, 5489), (3992, 5467)]