21115691100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{47207}}^1$

素因数の和:47305

約数の個数: 216

約数和(自身を含む): 76708090368

約数和(自身を除く): 55592399268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 71, 75, 84, 90, 100, 105, 126, 140, 142, 150, 175, 180, 210, 213, 225, 252, 284, 300, 315, 350, 355, 420, 426, 450, 497, 525, 630, 639, 700, 710, 852, 900, 994, 1050, 1065, 1260, 1278, 1420, 1491, 1575, 1775, 1988, 2100, 2130, 2485, 2556, 2982, 3150, 3195, 3550, 4260, 4473, 4970, 5325, 5964, 6300, 6390, 7100, 7455, 8946, 9940, 10650, 12425, 12780, 14910, 15975, 17892, 21300, 22365, 24850, 29820, 31950, 37275, 44730, 47207, 49700, 63900, 74550, 89460, 94414, 111825, 141621, 149100, 188828, 223650, 236035, 283242, 330449, 424863, 447300, 472070, 566484, 660898, 708105, 849726, 944140, 991347, 1180175, 1321796, 1416210, 1652245, 1699452, 1982694, 2124315, 2360350, 2832420, 2974041, 3304490, 3351697, 3540525, 3965388, 4248630, 4720700, 4956735, 5948082, 6608980, 6703394, 7081050, 8261225, 8497260, 9913470, 10055091, 10621575, 11896164, 13406788, 14162100, 14870205, 16522450, 16758485, 19826940, 20110182, 21243150, 23461879, 24783675, 29740410, 30165273, 33044900, 33516970, 40220364, 42486300, 46923758, 49567350, 50275455, 59480820, 60330546, 67033940, 70385637, 74351025, 83792425, 93847516, 99134700, 100550910, 117309395, 120661092, 140771274, 148702050, 150826365, 167584850, 201101820, 211156911, 234618790, 251377275, 281542548, 297404100, 301652730, 335169700, 351928185, 422313822, 469237580, 502754550, 586546975, 603305460, 703856370, 754131825, 844627644, 1005509100, 1055784555, 1173093950, 1407712740, 1508263650, 1759640925, 2111569110, 2346187900, 3016527300, 3519281850, 4223138220, 5278922775, 7038563700, 10557845550, 21115691100]

約数ペア:

[(1, 21115691100), (2, 10557845550), (3, 7038563700), (4, 5278922775), (5, 4223138220), (6, 3519281850), (7, 3016527300), (9, 2346187900), (10, 2111569110), (12, 1759640925), (14, 1508263650), (15, 1407712740), (18, 1173093950), (20, 1055784555), (21, 1005509100), (25, 844627644), (28, 754131825), (30, 703856370), (35, 603305460), (36, 586546975), (42, 502754550), (45, 469237580), (50, 422313822), (60, 351928185), (63, 335169700), (70, 301652730), (71, 297404100), (75, 281542548), (84, 251377275), (90, 234618790), (100, 211156911), (105, 201101820), (126, 167584850), (140, 150826365), (142, 148702050), (150, 140771274), (175, 120661092), (180, 117309395), (210, 100550910), (213, 99134700), (225, 93847516), (252, 83792425), (284, 74351025), (300, 70385637), (315, 67033940), (350, 60330546), (355, 59480820), (420, 50275455), (426, 49567350), (450, 46923758), (497, 42486300), (525, 40220364), (630, 33516970), (639, 33044900), (700, 30165273), (710, 29740410), (852, 24783675), (900, 23461879), (994, 21243150), (1050, 20110182), (1065, 19826940), (1260, 16758485), (1278, 16522450), (1420, 14870205), (1491, 14162100), (1575, 13406788), (1775, 11896164), (1988, 10621575), (2100, 10055091), (2130, 9913470), (2485, 8497260), (2556, 8261225), (2982, 7081050), (3150, 6703394), (3195, 6608980), (3550, 5948082), (4260, 4956735), (4473, 4720700), (4970, 4248630), (5325, 3965388), (5964, 3540525), (6300, 3351697), (6390, 3304490), (7100, 2974041), (7455, 2832420), (8946, 2360350), (9940, 2124315), (10650, 1982694), (12425, 1699452), (12780, 1652245), (14910, 1416210), (15975, 1321796), (17892, 1180175), (21300, 991347), (22365, 944140), (24850, 849726), (29820, 708105), (31950, 660898), (37275, 566484), (44730, 472070), (47207, 447300), (49700, 424863), (63900, 330449), (74550, 283242), (89460, 236035), (94414, 223650), (111825, 188828), (141621, 149100)]