21144060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 74483136

約数和(自身を除く): 53339076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 173, 180, 194, 210, 252, 291, 315, 346, 388, 420, 485, 519, 582, 630, 679, 692, 865, 873, 970, 1038, 1164, 1211, 1260, 1358, 1455, 1557, 1730, 1746, 1940, 2037, 2076, 2422, 2595, 2716, 2910, 3114, 3395, 3460, 3492, 3633, 4074, 4365, 4844, 5190, 5820, 6055, 6111, 6228, 6790, 7266, 7785, 8148, 8730, 10185, 10380, 10899, 12110, 12222, 13580, 14532, 15570, 16781, 17460, 18165, 20370, 21798, 24220, 24444, 30555, 31140, 33562, 36330, 40740, 43596, 50343, 54495, 61110, 67124, 72660, 83905, 100686, 108990, 117467, 122220, 151029, 167810, 201372, 217980, 234934, 251715, 302058, 335620, 352401, 469868, 503430, 587335, 604116, 704802, 755145, 1006860, 1057203, 1174670, 1409604, 1510290, 1762005, 2114406, 2349340, 3020580, 3524010, 4228812, 5286015, 7048020, 10572030, 21144060]

約数ペア:

[(1, 21144060), (2, 10572030), (3, 7048020), (4, 5286015), (5, 4228812), (6, 3524010), (7, 3020580), (9, 2349340), (10, 2114406), (12, 1762005), (14, 1510290), (15, 1409604), (18, 1174670), (20, 1057203), (21, 1006860), (28, 755145), (30, 704802), (35, 604116), (36, 587335), (42, 503430), (45, 469868), (60, 352401), (63, 335620), (70, 302058), (84, 251715), (90, 234934), (97, 217980), (105, 201372), (126, 167810), (140, 151029), (173, 122220), (180, 117467), (194, 108990), (210, 100686), (252, 83905), (291, 72660), (315, 67124), (346, 61110), (388, 54495), (420, 50343), (485, 43596), (519, 40740), (582, 36330), (630, 33562), (679, 31140), (692, 30555), (865, 24444), (873, 24220), (970, 21798), (1038, 20370), (1164, 18165), (1211, 17460), (1260, 16781), (1358, 15570), (1455, 14532), (1557, 13580), (1730, 12222), (1746, 12110), (1940, 10899), (2037, 10380), (2076, 10185), (2422, 8730), (2595, 8148), (2716, 7785), (2910, 7266), (3114, 6790), (3395, 6228), (3460, 6111), (3492, 6055), (3633, 5820), (4074, 5190), (4365, 4844)]