21281400

素因数分解:

$2^3\times 3^3\times 5^2\times 7^1\times {\mathrm{563}}^1$

素因数の和:595

約数の個数: 192

約数和(自身を含む): 83923200

約数和(自身を除く): 62641800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 108, 120, 126, 135, 140, 150, 168, 175, 180, 189, 200, 210, 216, 225, 252, 270, 280, 300, 315, 350, 360, 378, 420, 450, 504, 525, 540, 563, 600, 630, 675, 700, 756, 840, 900, 945, 1050, 1080, 1126, 1260, 1350, 1400, 1512, 1575, 1689, 1800, 1890, 2100, 2252, 2520, 2700, 2815, 3150, 3378, 3780, 3941, 4200, 4504, 4725, 5067, 5400, 5630, 6300, 6756, 7560, 7882, 8445, 9450, 10134, 11260, 11823, 12600, 13512, 14075, 15201, 15764, 16890, 18900, 19705, 20268, 22520, 23646, 25335, 28150, 30402, 31528, 33780, 35469, 37800, 39410, 40536, 42225, 47292, 50670, 56300, 59115, 60804, 67560, 70938, 76005, 78820, 84450, 94584, 98525, 101340, 106407, 112600, 118230, 121608, 126675, 141876, 152010, 157640, 168900, 177345, 197050, 202680, 212814, 236460, 253350, 283752, 295575, 304020, 337800, 354690, 380025, 394100, 425628, 472920, 506700, 532035, 591150, 608040, 709380, 760050, 788200, 851256, 886725, 1013400, 1064070, 1182300, 1418760, 1520100, 1773450, 2128140, 2364600, 2660175, 3040200, 3546900, 4256280, 5320350, 7093800, 10640700, 21281400]

約数ペア:

[(1, 21281400), (2, 10640700), (3, 7093800), (4, 5320350), (5, 4256280), (6, 3546900), (7, 3040200), (8, 2660175), (9, 2364600), (10, 2128140), (12, 1773450), (14, 1520100), (15, 1418760), (18, 1182300), (20, 1064070), (21, 1013400), (24, 886725), (25, 851256), (27, 788200), (28, 760050), (30, 709380), (35, 608040), (36, 591150), (40, 532035), (42, 506700), (45, 472920), (50, 425628), (54, 394100), (56, 380025), (60, 354690), (63, 337800), (70, 304020), (72, 295575), (75, 283752), (84, 253350), (90, 236460), (100, 212814), (105, 202680), (108, 197050), (120, 177345), (126, 168900), (135, 157640), (140, 152010), (150, 141876), (168, 126675), (175, 121608), (180, 118230), (189, 112600), (200, 106407), (210, 101340), (216, 98525), (225, 94584), (252, 84450), (270, 78820), (280, 76005), (300, 70938), (315, 67560), (350, 60804), (360, 59115), (378, 56300), (420, 50670), (450, 47292), (504, 42225), (525, 40536), (540, 39410), (563, 37800), (600, 35469), (630, 33780), (675, 31528), (700, 30402), (756, 28150), (840, 25335), (900, 23646), (945, 22520), (1050, 20268), (1080, 19705), (1126, 18900), (1260, 16890), (1350, 15764), (1400, 15201), (1512, 14075), (1575, 13512), (1689, 12600), (1800, 11823), (1890, 11260), (2100, 10134), (2252, 9450), (2520, 8445), (2700, 7882), (2815, 7560), (3150, 6756), (3378, 6300), (3780, 5630), (3941, 5400), (4200, 5067), (4504, 4725)]