21150360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 288

約数和(自身を含む): 88030800

約数和(自身を除く): 66880440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 109, 110, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 218, 220, 231, 245, 252, 264, 280, 294, 308, 315, 327, 330, 360, 385, 392, 396, 420, 436, 440, 441, 462, 490, 495, 504, 539, 545, 588, 616, 630, 654, 660, 693, 735, 763, 770, 792, 840, 872, 882, 924, 980, 981, 990, 1078, 1090, 1155, 1176, 1199, 1260, 1308, 1320, 1386, 1470, 1526, 1540, 1617, 1635, 1764, 1848, 1960, 1962, 1980, 2156, 2180, 2205, 2289, 2310, 2398, 2520, 2616, 2695, 2772, 2940, 3052, 3080, 3234, 3270, 3465, 3528, 3597, 3815, 3924, 3960, 4312, 4360, 4410, 4578, 4620, 4796, 4851, 4905, 5341, 5390, 5544, 5880, 5995, 6104, 6468, 6540, 6867, 6930, 7194, 7630, 7848, 8085, 8393, 8820, 9156, 9240, 9592, 9702, 9810, 10682, 10780, 10791, 11445, 11990, 12936, 13080, 13734, 13860, 14388, 15260, 16023, 16170, 16786, 17640, 17985, 18312, 19404, 19620, 21364, 21560, 21582, 22890, 23980, 24255, 25179, 26705, 27468, 27720, 28776, 30520, 32046, 32340, 33572, 34335, 35970, 38808, 39240, 41965, 42728, 43164, 45780, 47960, 48069, 48510, 50358, 53410, 53955, 54936, 58751, 64092, 64680, 67144, 68670, 71940, 75537, 80115, 83930, 86328, 91560, 96138, 97020, 100716, 106820, 107910, 117502, 125895, 128184, 137340, 143880, 151074, 160230, 167860, 176253, 192276, 194040, 201432, 213640, 215820, 235004, 240345, 251790, 274680, 293755, 302148, 320460, 335720, 352506, 377685, 384552, 431640, 470008, 480690, 503580, 528759, 587510, 604296, 640920, 705012, 755370, 881265, 961380, 1007160, 1057518, 1175020, 1410024, 1510740, 1762530, 1922760, 2115036, 2350040, 2643795, 3021480, 3525060, 4230072, 5287590, 7050120, 10575180, 21150360]

約数ペア:

[(1, 21150360), (2, 10575180), (3, 7050120), (4, 5287590), (5, 4230072), (6, 3525060), (7, 3021480), (8, 2643795), (9, 2350040), (10, 2115036), (11, 1922760), (12, 1762530), (14, 1510740), (15, 1410024), (18, 1175020), (20, 1057518), (21, 1007160), (22, 961380), (24, 881265), (28, 755370), (30, 705012), (33, 640920), (35, 604296), (36, 587510), (40, 528759), (42, 503580), (44, 480690), (45, 470008), (49, 431640), (55, 384552), (56, 377685), (60, 352506), (63, 335720), (66, 320460), (70, 302148), (72, 293755), (77, 274680), (84, 251790), (88, 240345), (90, 235004), (98, 215820), (99, 213640), (105, 201432), (109, 194040), (110, 192276), (120, 176253), (126, 167860), (132, 160230), (140, 151074), (147, 143880), (154, 137340), (165, 128184), (168, 125895), (180, 117502), (196, 107910), (198, 106820), (210, 100716), (218, 97020), (220, 96138), (231, 91560), (245, 86328), (252, 83930), (264, 80115), (280, 75537), (294, 71940), (308, 68670), (315, 67144), (327, 64680), (330, 64092), (360, 58751), (385, 54936), (392, 53955), (396, 53410), (420, 50358), (436, 48510), (440, 48069), (441, 47960), (462, 45780), (490, 43164), (495, 42728), (504, 41965), (539, 39240), (545, 38808), (588, 35970), (616, 34335), (630, 33572), (654, 32340), (660, 32046), (693, 30520), (735, 28776), (763, 27720), (770, 27468), (792, 26705), (840, 25179), (872, 24255), (882, 23980), (924, 22890), (980, 21582), (981, 21560), (990, 21364), (1078, 19620), (1090, 19404), (1155, 18312), (1176, 17985), (1199, 17640), (1260, 16786), (1308, 16170), (1320, 16023), (1386, 15260), (1470, 14388), (1526, 13860), (1540, 13734), (1617, 13080), (1635, 12936), (1764, 11990), (1848, 11445), (1960, 10791), (1962, 10780), (1980, 10682), (2156, 9810), (2180, 9702), (2205, 9592), (2289, 9240), (2310, 9156), (2398, 8820), (2520, 8393), (2616, 8085), (2695, 7848), (2772, 7630), (2940, 7194), (3052, 6930), (3080, 6867), (3234, 6540), (3270, 6468), (3465, 6104), (3528, 5995), (3597, 5880), (3815, 5544), (3924, 5390), (3960, 5341), (4312, 4905), (4360, 4851), (4410, 4796), (4578, 4620)]