21485120048

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{641}}^1\times {\mathrm{829}}^1$

素因数の和:1523

約数の個数: 120

約数和(自身を含む): 50348875680

約数和(自身を除く): 28863755632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 641, 722, 829, 1064, 1282, 1444, 1658, 2128, 2527, 2564, 2888, 3316, 4487, 5054, 5128, 5776, 5803, 6632, 8974, 10108, 10256, 11606, 12179, 13264, 15751, 17948, 20216, 23212, 24358, 31502, 35896, 40432, 46424, 48716, 63004, 71792, 85253, 92848, 97432, 110257, 126008, 170506, 194864, 220514, 231401, 252016, 299269, 341012, 441028, 462802, 531389, 598538, 682024, 882056, 925604, 1062778, 1197076, 1364048, 1619807, 1764112, 1851208, 2094883, 2125556, 2394152, 3239614, 3702416, 3719723, 4189766, 4251112, 4788304, 6479228, 7439446, 8379532, 8502224, 10096391, 12958456, 14878892, 16759064, 20192782, 25916912, 29757784, 33518128, 40385564, 59515568, 70674737, 80771128, 141349474, 161542256, 191831429, 282698948, 383662858, 565397896, 767325716, 1130795792, 1342820003, 1534651432, 2685640006, 3069302864, 5371280012, 10742560024, 21485120048]

約数ペア:

[(1, 21485120048), (2, 10742560024), (4, 5371280012), (7, 3069302864), (8, 2685640006), (14, 1534651432), (16, 1342820003), (19, 1130795792), (28, 767325716), (38, 565397896), (56, 383662858), (76, 282698948), (112, 191831429), (133, 161542256), (152, 141349474), (266, 80771128), (304, 70674737), (361, 59515568), (532, 40385564), (641, 33518128), (722, 29757784), (829, 25916912), (1064, 20192782), (1282, 16759064), (1444, 14878892), (1658, 12958456), (2128, 10096391), (2527, 8502224), (2564, 8379532), (2888, 7439446), (3316, 6479228), (4487, 4788304), (5054, 4251112), (5128, 4189766), (5776, 3719723), (5803, 3702416), (6632, 3239614), (8974, 2394152), (10108, 2125556), (10256, 2094883), (11606, 1851208), (12179, 1764112), (13264, 1619807), (15751, 1364048), (17948, 1197076), (20216, 1062778), (23212, 925604), (24358, 882056), (31502, 682024), (35896, 598538), (40432, 531389), (46424, 462802), (48716, 441028), (63004, 341012), (71792, 299269), (85253, 252016), (92848, 231401), (97432, 220514), (110257, 194864), (126008, 170506)]