21240655920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{297989}}^1$

素因数の和:298025

約数の個数: 200

約数和(自身を含む): 80478755280

約数和(自身を除く): 59238099360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 495, 528, 540, 594, 648, 660, 720, 792, 810, 880, 891, 990, 1080, 1188, 1296, 1320, 1485, 1584, 1620, 1782, 1980, 2160, 2376, 2640, 2970, 3240, 3564, 3960, 4455, 4752, 5940, 6480, 7128, 7920, 8910, 11880, 14256, 17820, 23760, 35640, 71280, 297989, 595978, 893967, 1191956, 1489945, 1787934, 2383912, 2681901, 2979890, 3277879, 3575868, 4469835, 4767824, 5363802, 5959780, 6555758, 7151736, 8045703, 8939670, 9833637, 10727604, 11919560, 13111516, 13409505, 14303472, 16091406, 16389395, 17879340, 19667274, 21455208, 23839120, 24137109, 26223032, 26819010, 29500911, 32182812, 32778790, 35758680, 39334548, 40228515, 42910416, 48274218, 49168185, 52446064, 53638020, 59001822, 64365624, 65557580, 71517360, 78669096, 80457030, 88502733, 96548436, 98336370, 107276040, 118003644, 120685545, 128731248, 131115160, 147504555, 157338192, 160914060, 177005466, 193096872, 196672740, 214552080, 236007288, 241371090, 262230320, 265508199, 295009110, 321828120, 354010932, 386193744, 393345480, 442513665, 472014576, 482742180, 531016398, 590018220, 643656240, 708021864, 786690960, 885027330, 965484360, 1062032796, 1180036440, 1327540995, 1416043728, 1770054660, 1930968720, 2124065592, 2360072880, 2655081990, 3540109320, 4248131184, 5310163980, 7080218640, 10620327960, 21240655920]

約数ペア:

[(1, 21240655920), (2, 10620327960), (3, 7080218640), (4, 5310163980), (5, 4248131184), (6, 3540109320), (8, 2655081990), (9, 2360072880), (10, 2124065592), (11, 1930968720), (12, 1770054660), (15, 1416043728), (16, 1327540995), (18, 1180036440), (20, 1062032796), (22, 965484360), (24, 885027330), (27, 786690960), (30, 708021864), (33, 643656240), (36, 590018220), (40, 531016398), (44, 482742180), (45, 472014576), (48, 442513665), (54, 393345480), (55, 386193744), (60, 354010932), (66, 321828120), (72, 295009110), (80, 265508199), (81, 262230320), (88, 241371090), (90, 236007288), (99, 214552080), (108, 196672740), (110, 193096872), (120, 177005466), (132, 160914060), (135, 157338192), (144, 147504555), (162, 131115160), (165, 128731248), (176, 120685545), (180, 118003644), (198, 107276040), (216, 98336370), (220, 96548436), (240, 88502733), (264, 80457030), (270, 78669096), (297, 71517360), (324, 65557580), (330, 64365624), (360, 59001822), (396, 53638020), (405, 52446064), (432, 49168185), (440, 48274218), (495, 42910416), (528, 40228515), (540, 39334548), (594, 35758680), (648, 32778790), (660, 32182812), (720, 29500911), (792, 26819010), (810, 26223032), (880, 24137109), (891, 23839120), (990, 21455208), (1080, 19667274), (1188, 17879340), (1296, 16389395), (1320, 16091406), (1485, 14303472), (1584, 13409505), (1620, 13111516), (1782, 11919560), (1980, 10727604), (2160, 9833637), (2376, 8939670), (2640, 8045703), (2970, 7151736), (3240, 6555758), (3564, 5959780), (3960, 5363802), (4455, 4767824), (4752, 4469835), (5940, 3575868), (6480, 3277879), (7128, 2979890), (7920, 2681901), (8910, 2383912), (11880, 1787934), (14256, 1489945), (17820, 1191956), (23760, 893967), (35640, 595978), (71280, 297989)]