21164861025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71861}}^1$

素因数の和:71912

約数の個数: 144

約数和(自身を含む): 50043547008

約数和(自身を除く): 28878685983

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 25, 33, 35, 45, 51, 55, 63, 75, 77, 85, 99, 105, 119, 153, 165, 175, 187, 225, 231, 255, 275, 315, 357, 385, 425, 495, 525, 561, 595, 693, 765, 825, 935, 1071, 1155, 1275, 1309, 1575, 1683, 1785, 1925, 2475, 2805, 2975, 3465, 3825, 3927, 4675, 5355, 5775, 6545, 8415, 8925, 11781, 14025, 17325, 19635, 26775, 32725, 42075, 58905, 71861, 98175, 215583, 294525, 359305, 503027, 646749, 790471, 1077915, 1221637, 1509081, 1796525, 2371413, 2515135, 3233745, 3664911, 3952355, 4527243, 5389575, 5533297, 6108185, 7114239, 7545405, 8551459, 10994733, 11857065, 12575675, 13438007, 16168725, 16599891, 18324555, 19761775, 22636215, 25654377, 27666485, 30540925, 35571195, 37727025, 40314021, 42757295, 49799673, 54973665, 59285325, 67190035, 76963131, 82999455, 91622775, 94066049, 113181075, 120942063, 128271885, 138332425, 177855975, 201570105, 213786475, 248998365, 274868325, 282198147, 335950175, 384815655, 414997275, 470330245, 604710315, 641359425, 846594441, 1007850525, 1244991825, 1410990735, 1924078275, 2351651225, 3023551575, 4232972205, 7054953675, 21164861025]

約数ペア:

[(1, 21164861025), (3, 7054953675), (5, 4232972205), (7, 3023551575), (9, 2351651225), (11, 1924078275), (15, 1410990735), (17, 1244991825), (21, 1007850525), (25, 846594441), (33, 641359425), (35, 604710315), (45, 470330245), (51, 414997275), (55, 384815655), (63, 335950175), (75, 282198147), (77, 274868325), (85, 248998365), (99, 213786475), (105, 201570105), (119, 177855975), (153, 138332425), (165, 128271885), (175, 120942063), (187, 113181075), (225, 94066049), (231, 91622775), (255, 82999455), (275, 76963131), (315, 67190035), (357, 59285325), (385, 54973665), (425, 49799673), (495, 42757295), (525, 40314021), (561, 37727025), (595, 35571195), (693, 30540925), (765, 27666485), (825, 25654377), (935, 22636215), (1071, 19761775), (1155, 18324555), (1275, 16599891), (1309, 16168725), (1575, 13438007), (1683, 12575675), (1785, 11857065), (1925, 10994733), (2475, 8551459), (2805, 7545405), (2975, 7114239), (3465, 6108185), (3825, 5533297), (3927, 5389575), (4675, 4527243), (5355, 3952355), (5775, 3664911), (6545, 3233745), (8415, 2515135), (8925, 2371413), (11781, 1796525), (14025, 1509081), (17325, 1221637), (19635, 1077915), (26775, 790471), (32725, 646749), (42075, 503027), (58905, 359305), (71861, 294525), (98175, 215583)]