21769000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2011

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 33829400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 1979, 2200, 2750, 3958, 5500, 7916, 9895, 11000, 15832, 19790, 21769, 39580, 43538, 49475, 79160, 87076, 98950, 108845, 174152, 197900, 217690, 247375, 395800, 435380, 494750, 544225, 870760, 989500, 1088450, 1979000, 2176900, 2721125, 4353800, 5442250, 10884500, 21769000]

約数ペア:

[(1, 21769000), (2, 10884500), (4, 5442250), (5, 4353800), (8, 2721125), (10, 2176900), (11, 1979000), (20, 1088450), (22, 989500), (25, 870760), (40, 544225), (44, 494750), (50, 435380), (55, 395800), (88, 247375), (100, 217690), (110, 197900), (125, 174152), (200, 108845), (220, 98950), (250, 87076), (275, 79160), (440, 49475), (500, 43538), (550, 39580), (1000, 21769), (1100, 19790), (1375, 15832), (1979, 11000), (2200, 9895), (2750, 7916), (3958, 5500)]