21289788520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5843}}^1$

素因数の和:5905

約数の個数: 288

約数和(自身を含む): 65835465120

約数和(自身を除く): 44545676600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 169, 182, 196, 220, 245, 260, 280, 286, 308, 338, 364, 385, 392, 440, 455, 490, 520, 539, 572, 616, 637, 676, 715, 728, 770, 845, 910, 980, 1001, 1078, 1144, 1183, 1274, 1352, 1430, 1540, 1690, 1820, 1859, 1960, 2002, 2156, 2366, 2548, 2695, 2860, 3080, 3185, 3380, 3640, 3718, 4004, 4312, 4732, 5005, 5096, 5390, 5720, 5843, 5915, 6370, 6760, 7007, 7436, 8008, 8281, 9295, 9464, 10010, 10780, 11686, 11830, 12740, 13013, 14014, 14872, 16562, 18590, 20020, 21560, 23372, 23660, 25480, 26026, 28028, 29215, 33124, 35035, 37180, 40040, 40901, 41405, 46744, 47320, 52052, 56056, 58430, 64273, 65065, 66248, 70070, 74360, 75959, 81802, 82810, 91091, 104104, 116860, 128546, 130130, 140140, 151918, 163604, 165620, 182182, 204505, 233720, 257092, 260260, 280280, 286307, 303836, 321365, 327208, 331240, 364364, 379795, 409010, 449911, 455455, 514184, 520520, 531713, 572614, 607672, 642730, 728728, 759590, 818020, 835549, 899822, 910910, 987467, 1063426, 1145228, 1285460, 1431535, 1519180, 1636040, 1671098, 1799644, 1821820, 1974934, 2126852, 2249555, 2290456, 2570920, 2658565, 2863070, 3038360, 3149377, 3342196, 3599288, 3643640, 3721991, 3949868, 4177745, 4253704, 4499110, 4937335, 5317130, 5726140, 5848843, 6298754, 6684392, 6912269, 7443982, 7899736, 8355490, 8998220, 9874670, 10634260, 10862137, 11452280, 11697686, 12597508, 13824538, 14887964, 15746885, 16710980, 17996440, 18609955, 19749340, 21268520, 21724274, 23395372, 25195016, 27649076, 29244215, 29775928, 31493770, 33421960, 34561345, 37219910, 39498680, 40941901, 43448548, 46790744, 48385883, 54310685, 55298152, 58488430, 62987540, 69122690, 74439820, 76034959, 81883802, 86897096, 96771766, 108621370, 116976860, 125975080, 138245380, 148879640, 152069918, 163767604, 193543532, 204709505, 217242740, 233953720, 241929415, 276490760, 304139836, 327535208, 380174795, 387087064, 409419010, 434485480, 483858830, 532244713, 608279672, 760349590, 818838020, 967717660, 1064489426, 1520699180, 1637676040, 1935435320, 2128978852, 2661223565, 3041398360, 4257957704, 5322447130, 10644894260, 21289788520]

約数ペア:

[(1, 21289788520), (2, 10644894260), (4, 5322447130), (5, 4257957704), (7, 3041398360), (8, 2661223565), (10, 2128978852), (11, 1935435320), (13, 1637676040), (14, 1520699180), (20, 1064489426), (22, 967717660), (26, 818838020), (28, 760349590), (35, 608279672), (40, 532244713), (44, 483858830), (49, 434485480), (52, 409419010), (55, 387087064), (56, 380174795), (65, 327535208), (70, 304139836), (77, 276490760), (88, 241929415), (91, 233953720), (98, 217242740), (104, 204709505), (110, 193543532), (130, 163767604), (140, 152069918), (143, 148879640), (154, 138245380), (169, 125975080), (182, 116976860), (196, 108621370), (220, 96771766), (245, 86897096), (260, 81883802), (280, 76034959), (286, 74439820), (308, 69122690), (338, 62987540), (364, 58488430), (385, 55298152), (392, 54310685), (440, 48385883), (455, 46790744), (490, 43448548), (520, 40941901), (539, 39498680), (572, 37219910), (616, 34561345), (637, 33421960), (676, 31493770), (715, 29775928), (728, 29244215), (770, 27649076), (845, 25195016), (910, 23395372), (980, 21724274), (1001, 21268520), (1078, 19749340), (1144, 18609955), (1183, 17996440), (1274, 16710980), (1352, 15746885), (1430, 14887964), (1540, 13824538), (1690, 12597508), (1820, 11697686), (1859, 11452280), (1960, 10862137), (2002, 10634260), (2156, 9874670), (2366, 8998220), (2548, 8355490), (2695, 7899736), (2860, 7443982), (3080, 6912269), (3185, 6684392), (3380, 6298754), (3640, 5848843), (3718, 5726140), (4004, 5317130), (4312, 4937335), (4732, 4499110), (5005, 4253704), (5096, 4177745), (5390, 3949868), (5720, 3721991), (5843, 3643640), (5915, 3599288), (6370, 3342196), (6760, 3149377), (7007, 3038360), (7436, 2863070), (8008, 2658565), (8281, 2570920), (9295, 2290456), (9464, 2249555), (10010, 2126852), (10780, 1974934), (11686, 1821820), (11830, 1799644), (12740, 1671098), (13013, 1636040), (14014, 1519180), (14872, 1431535), (16562, 1285460), (18590, 1145228), (20020, 1063426), (21560, 987467), (23372, 910910), (23660, 899822), (25480, 835549), (26026, 818020), (28028, 759590), (29215, 728728), (33124, 642730), (35035, 607672), (37180, 572614), (40040, 531713), (40901, 520520), (41405, 514184), (46744, 455455), (47320, 449911), (52052, 409010), (56056, 379795), (58430, 364364), (64273, 331240), (65065, 327208), (66248, 321365), (70070, 303836), (74360, 286307), (75959, 280280), (81802, 260260), (82810, 257092), (91091, 233720), (104104, 204505), (116860, 182182), (128546, 165620), (130130, 163604), (140140, 151918)]