21994576

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 44655624

約数和(自身を除く): 22661048

約数列:

[1, 2, 4, 8, 16, 37, 53, 74, 106, 148, 212, 296, 424, 592, 701, 848, 1402, 1961, 2804, 3922, 5608, 7844, 11216, 15688, 25937, 31376, 37153, 51874, 74306, 103748, 148612, 207496, 297224, 414992, 594448, 1374661, 2749322, 5498644, 10997288, 21994576]

約数ペア:

[(1, 21994576), (2, 10997288), (4, 5498644), (8, 2749322), (16, 1374661), (37, 594448), (53, 414992), (74, 297224), (106, 207496), (148, 148612), (212, 103748), (296, 74306), (424, 51874), (592, 37153), (701, 31376), (848, 25937), (1402, 15688), (1961, 11216), (2804, 7844), (3922, 5608)]