21073812

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5437}}^1$

素因数の和:5480

約数の個数: 48

約数和(自身を含む): 54815040

約数和(自身を除く): 33741228

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5437, 10874, 16311, 21748, 32622, 65244, 92429, 103303, 184858, 206606, 277287, 309909, 369716, 413212, 554574, 619818, 1109148, 1239636, 1756151, 3512302, 5268453, 7024604, 10536906, 21073812]

約数ペア:

[(1, 21073812), (2, 10536906), (3, 7024604), (4, 5268453), (6, 3512302), (12, 1756151), (17, 1239636), (19, 1109148), (34, 619818), (38, 554574), (51, 413212), (57, 369716), (68, 309909), (76, 277287), (102, 206606), (114, 184858), (204, 103303), (228, 92429), (323, 65244), (646, 32622), (969, 21748), (1292, 16311), (1938, 10874), (3876, 5437)]