21082973175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{3539}}^1$

素因数の和:3678

約数の個数: 144

約数和(自身を含む): 43140988800

約数和(自身を除く): 22058015625

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 55, 75, 83, 87, 99, 145, 165, 225, 249, 261, 275, 319, 415, 435, 495, 725, 747, 825, 913, 957, 1245, 1305, 1595, 2075, 2175, 2407, 2475, 2739, 2871, 3539, 3735, 4565, 4785, 6225, 6525, 7221, 7975, 8217, 10617, 12035, 13695, 14355, 17695, 18675, 21663, 22825, 23925, 26477, 31851, 36105, 38929, 41085, 53085, 60175, 68475, 71775, 79431, 88475, 102631, 108315, 116787, 132385, 159255, 180525, 194645, 205425, 238293, 265425, 293737, 307893, 350361, 397155, 513155, 541575, 583935, 661925, 796275, 881211, 923679, 973225, 1128941, 1191465, 1468685, 1539465, 1751805, 1985775, 2565775, 2643633, 2919675, 3231107, 3386823, 4406055, 4618395, 5644705, 5957325, 7343425, 7697325, 8518373, 8759025, 9693321, 10160469, 13218165, 16155535, 16934115, 22030275, 23091975, 25555119, 28223525, 29079963, 42591865, 48466605, 50802345, 66090825, 76665357, 80777675, 84670575, 93702103, 127775595, 145399815, 212959325, 242333025, 254011725, 281106309, 383326785, 468510515, 638877975, 726999075, 843318927, 1405531545, 1916633925, 2342552575, 4216594635, 7027657725, 21082973175]

約数ペア:

[(1, 21082973175), (3, 7027657725), (5, 4216594635), (9, 2342552575), (11, 1916633925), (15, 1405531545), (25, 843318927), (29, 726999075), (33, 638877975), (45, 468510515), (55, 383326785), (75, 281106309), (83, 254011725), (87, 242333025), (99, 212959325), (145, 145399815), (165, 127775595), (225, 93702103), (249, 84670575), (261, 80777675), (275, 76665357), (319, 66090825), (415, 50802345), (435, 48466605), (495, 42591865), (725, 29079963), (747, 28223525), (825, 25555119), (913, 23091975), (957, 22030275), (1245, 16934115), (1305, 16155535), (1595, 13218165), (2075, 10160469), (2175, 9693321), (2407, 8759025), (2475, 8518373), (2739, 7697325), (2871, 7343425), (3539, 5957325), (3735, 5644705), (4565, 4618395), (4785, 4406055), (6225, 3386823), (6525, 3231107), (7221, 2919675), (7975, 2643633), (8217, 2565775), (10617, 1985775), (12035, 1751805), (13695, 1539465), (14355, 1468685), (17695, 1191465), (18675, 1128941), (21663, 973225), (22825, 923679), (23925, 881211), (26477, 796275), (31851, 661925), (36105, 583935), (38929, 541575), (41085, 513155), (53085, 397155), (60175, 350361), (68475, 307893), (71775, 293737), (79431, 265425), (88475, 238293), (102631, 205425), (108315, 194645), (116787, 180525), (132385, 159255)]