21891444

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 32540556

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 239, 449, 478, 717, 898, 956, 1347, 1434, 1796, 2694, 2868, 4063, 5388, 7633, 8126, 12189, 15266, 16252, 22899, 24378, 30532, 45798, 48756, 91596, 107311, 214622, 321933, 429244, 643866, 1287732, 1824287, 3648574, 5472861, 7297148, 10945722, 21891444]

約数ペア:

[(1, 21891444), (2, 10945722), (3, 7297148), (4, 5472861), (6, 3648574), (12, 1824287), (17, 1287732), (34, 643866), (51, 429244), (68, 321933), (102, 214622), (204, 107311), (239, 91596), (449, 48756), (478, 45798), (717, 30532), (898, 24378), (956, 22899), (1347, 16252), (1434, 15266), (1796, 12189), (2694, 8126), (2868, 7633), (4063, 5388)]