2021870655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1213

約数の個数: 96

約数和(自身を含む): 4230720000

約数和(自身を除く): 2208849345

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 499, 665, 677, 855, 1197, 1497, 1995, 2031, 2495, 3385, 3493, 4491, 4739, 5985, 6093, 7485, 9481, 10155, 10479, 12863, 14217, 17465, 22455, 23695, 28443, 30465, 31437, 38589, 42651, 47405, 52395, 64315, 66367, 71085, 85329, 90041, 115767, 142215, 157185, 192945, 199101, 213255, 270123, 331835, 337823, 426645, 450205, 578835, 597303, 810369, 995505, 1013469, 1350615, 1689115, 2364761, 2986515, 3040407, 4051845, 5067345, 6418637, 7094283, 11823805, 15202035, 19255911, 21282849, 32093185, 35471415, 44930459, 57767733, 96279555, 106414245, 134791377, 224652295, 288838665, 404374131, 673956885, 2021870655]

約数ペア:

[(1, 2021870655), (3, 673956885), (5, 404374131), (7, 288838665), (9, 224652295), (15, 134791377), (19, 106414245), (21, 96279555), (35, 57767733), (45, 44930459), (57, 35471415), (63, 32093185), (95, 21282849), (105, 19255911), (133, 15202035), (171, 11823805), (285, 7094283), (315, 6418637), (399, 5067345), (499, 4051845), (665, 3040407), (677, 2986515), (855, 2364761), (1197, 1689115), (1497, 1350615), (1995, 1013469), (2031, 995505), (2495, 810369), (3385, 597303), (3493, 578835), (4491, 450205), (4739, 426645), (5985, 337823), (6093, 331835), (7485, 270123), (9481, 213255), (10155, 199101), (10479, 192945), (12863, 157185), (14217, 142215), (17465, 115767), (22455, 90041), (23695, 85329), (28443, 71085), (30465, 66367), (31437, 64315), (38589, 52395), (42651, 47405)]