21122316

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 55046880

約数和(自身を除く): 33924564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 761, 771, 1028, 1522, 1542, 2283, 2313, 3044, 3084, 4566, 4626, 6849, 6939, 9132, 9252, 13698, 13878, 20547, 27396, 27756, 41094, 82188, 195577, 391154, 586731, 782308, 1173462, 1760193, 2346924, 3520386, 5280579, 7040772, 10561158, 21122316]

約数ペア:

[(1, 21122316), (2, 10561158), (3, 7040772), (4, 5280579), (6, 3520386), (9, 2346924), (12, 1760193), (18, 1173462), (27, 782308), (36, 586731), (54, 391154), (108, 195577), (257, 82188), (514, 41094), (761, 27756), (771, 27396), (1028, 20547), (1522, 13878), (1542, 13698), (2283, 9252), (2313, 9132), (3044, 6939), (3084, 6849), (4566, 4626)]