21273252

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 216

約数和(自身を含む): 71322048

約数和(自身を除く): 50048796

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 23, 26, 28, 33, 39, 42, 44, 46, 49, 52, 66, 69, 77, 78, 84, 91, 92, 98, 121, 132, 138, 143, 147, 154, 156, 161, 182, 196, 231, 242, 253, 273, 276, 286, 294, 299, 308, 322, 363, 364, 429, 462, 483, 484, 506, 539, 546, 572, 588, 598, 637, 644, 726, 759, 847, 858, 897, 924, 966, 1001, 1012, 1078, 1092, 1127, 1196, 1274, 1452, 1518, 1573, 1617, 1694, 1716, 1771, 1794, 1911, 1932, 2002, 2093, 2156, 2254, 2541, 2548, 2783, 3003, 3036, 3146, 3234, 3289, 3381, 3388, 3542, 3588, 3822, 4004, 4186, 4508, 4719, 5082, 5313, 5566, 5929, 6006, 6279, 6292, 6468, 6578, 6762, 7007, 7084, 7644, 8349, 8372, 9438, 9867, 10164, 10626, 11011, 11132, 11858, 12012, 12397, 12558, 13156, 13524, 14014, 14651, 16698, 17787, 18876, 19481, 19734, 21021, 21252, 22022, 23023, 23716, 24794, 25116, 28028, 29302, 33033, 33396, 35574, 36179, 37191, 38962, 39468, 42042, 43953, 44044, 46046, 49588, 58443, 58604, 66066, 69069, 71148, 72358, 74382, 77077, 77924, 84084, 87906, 92092, 108537, 116886, 132132, 136367, 138138, 144716, 148764, 154154, 161161, 175812, 217074, 231231, 233772, 253253, 272734, 276276, 308308, 322322, 409101, 434148, 462462, 483483, 506506, 545468, 644644, 759759, 818202, 924924, 966966, 1013012, 1519518, 1636404, 1772771, 1933932, 3039036, 3545542, 5318313, 7091084, 10636626, 21273252]

約数ペア:

[(1, 21273252), (2, 10636626), (3, 7091084), (4, 5318313), (6, 3545542), (7, 3039036), (11, 1933932), (12, 1772771), (13, 1636404), (14, 1519518), (21, 1013012), (22, 966966), (23, 924924), (26, 818202), (28, 759759), (33, 644644), (39, 545468), (42, 506506), (44, 483483), (46, 462462), (49, 434148), (52, 409101), (66, 322322), (69, 308308), (77, 276276), (78, 272734), (84, 253253), (91, 233772), (92, 231231), (98, 217074), (121, 175812), (132, 161161), (138, 154154), (143, 148764), (147, 144716), (154, 138138), (156, 136367), (161, 132132), (182, 116886), (196, 108537), (231, 92092), (242, 87906), (253, 84084), (273, 77924), (276, 77077), (286, 74382), (294, 72358), (299, 71148), (308, 69069), (322, 66066), (363, 58604), (364, 58443), (429, 49588), (462, 46046), (483, 44044), (484, 43953), (506, 42042), (539, 39468), (546, 38962), (572, 37191), (588, 36179), (598, 35574), (637, 33396), (644, 33033), (726, 29302), (759, 28028), (847, 25116), (858, 24794), (897, 23716), (924, 23023), (966, 22022), (1001, 21252), (1012, 21021), (1078, 19734), (1092, 19481), (1127, 18876), (1196, 17787), (1274, 16698), (1452, 14651), (1518, 14014), (1573, 13524), (1617, 13156), (1694, 12558), (1716, 12397), (1771, 12012), (1794, 11858), (1911, 11132), (1932, 11011), (2002, 10626), (2093, 10164), (2156, 9867), (2254, 9438), (2541, 8372), (2548, 8349), (2783, 7644), (3003, 7084), (3036, 7007), (3146, 6762), (3234, 6578), (3289, 6468), (3381, 6292), (3388, 6279), (3542, 6006), (3588, 5929), (3822, 5566), (4004, 5313), (4186, 5082), (4508, 4719)]