21148842

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 50010912

約数和(自身を除く): 28862070

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 157, 286, 314, 429, 471, 858, 942, 1727, 2041, 3454, 4082, 5181, 6123, 10362, 12246, 22451, 24649, 44902, 49298, 67353, 73947, 134706, 147894, 271139, 320437, 542278, 640874, 813417, 961311, 1626834, 1922622, 3524807, 7049614, 10574421, 21148842]

約数ペア:

[(1, 21148842), (2, 10574421), (3, 7049614), (6, 3524807), (11, 1922622), (13, 1626834), (22, 961311), (26, 813417), (33, 640874), (39, 542278), (66, 320437), (78, 271139), (143, 147894), (157, 134706), (286, 73947), (314, 67353), (429, 49298), (471, 44902), (858, 24649), (942, 22451), (1727, 12246), (2041, 10362), (3454, 6123), (4082, 5181)]