21000273800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{232819}}^1$

素因数の和:232887

約数の個数: 96

約数和(自身を含む): 54563695200

約数和(自身を除く): 33563421400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 82, 88, 100, 110, 164, 200, 205, 220, 275, 328, 410, 440, 451, 550, 820, 902, 1025, 1100, 1640, 1804, 2050, 2200, 2255, 3608, 4100, 4510, 8200, 9020, 11275, 18040, 22550, 45100, 90200, 232819, 465638, 931276, 1164095, 1862552, 2328190, 2561009, 4656380, 5122018, 5820475, 9312760, 9545579, 10244036, 11640950, 12805045, 19091158, 20488072, 23281900, 25610090, 38182316, 46563800, 47727895, 51220180, 64025225, 76364632, 95455790, 102440360, 105001369, 128050450, 190911580, 210002738, 238639475, 256100900, 381823160, 420005476, 477278950, 512201800, 525006845, 840010952, 954557900, 1050013690, 1909115800, 2100027380, 2625034225, 4200054760, 5250068450, 10500136900, 21000273800]

約数ペア:

[(1, 21000273800), (2, 10500136900), (4, 5250068450), (5, 4200054760), (8, 2625034225), (10, 2100027380), (11, 1909115800), (20, 1050013690), (22, 954557900), (25, 840010952), (40, 525006845), (41, 512201800), (44, 477278950), (50, 420005476), (55, 381823160), (82, 256100900), (88, 238639475), (100, 210002738), (110, 190911580), (164, 128050450), (200, 105001369), (205, 102440360), (220, 95455790), (275, 76364632), (328, 64025225), (410, 51220180), (440, 47727895), (451, 46563800), (550, 38182316), (820, 25610090), (902, 23281900), (1025, 20488072), (1100, 19091158), (1640, 12805045), (1804, 11640950), (2050, 10244036), (2200, 9545579), (2255, 9312760), (3608, 5820475), (4100, 5122018), (4510, 4656380), (8200, 2561009), (9020, 2328190), (11275, 1862552), (18040, 1164095), (22550, 931276), (45100, 465638), (90200, 232819)]