21201924

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 53621568

約数和(自身を除く): 32419644

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2417, 2924, 4386, 4834, 7251, 8772, 9668, 14502, 29004, 41089, 82178, 103931, 123267, 164356, 207862, 246534, 311793, 415724, 493068, 623586, 1247172, 1766827, 3533654, 5300481, 7067308, 10600962, 21201924]

約数ペア:

[(1, 21201924), (2, 10600962), (3, 7067308), (4, 5300481), (6, 3533654), (12, 1766827), (17, 1247172), (34, 623586), (43, 493068), (51, 415724), (68, 311793), (86, 246534), (102, 207862), (129, 164356), (172, 123267), (204, 103931), (258, 82178), (516, 41089), (731, 29004), (1462, 14502), (2193, 9668), (2417, 8772), (2924, 7251), (4386, 4834)]