21491308080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{38219}}^1$

素因数の和:38320

約数の個数: 240

約数和(自身を含む): 79847389440

約数和(自身を除く): 58356081360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 132, 142, 144, 165, 176, 180, 198, 213, 220, 240, 264, 284, 330, 355, 360, 396, 426, 440, 495, 528, 568, 639, 660, 710, 720, 781, 792, 852, 880, 990, 1065, 1136, 1278, 1320, 1420, 1562, 1584, 1704, 1980, 2130, 2343, 2556, 2640, 2840, 3124, 3195, 3408, 3905, 3960, 4260, 4686, 5112, 5680, 6248, 6390, 7029, 7810, 7920, 8520, 9372, 10224, 11715, 12496, 12780, 14058, 15620, 17040, 18744, 23430, 25560, 28116, 31240, 35145, 37488, 38219, 46860, 51120, 56232, 62480, 70290, 76438, 93720, 112464, 114657, 140580, 152876, 187440, 191095, 229314, 281160, 305752, 343971, 382190, 420409, 458628, 562320, 573285, 611504, 687942, 764380, 840818, 917256, 1146570, 1261227, 1375884, 1528760, 1681636, 1719855, 1834512, 2102045, 2293140, 2522454, 2713549, 2751768, 3057520, 3363272, 3439710, 3783681, 4204090, 4586280, 5044908, 5427098, 5503536, 6306135, 6726544, 6879420, 7567362, 8140647, 8408180, 9172560, 10089816, 10854196, 12612270, 13567745, 13758840, 15134724, 16281294, 16816360, 18918405, 20179632, 21708392, 24421941, 25224540, 27135490, 27517680, 29849039, 30269448, 32562588, 33632720, 37836810, 40703235, 43416784, 48843882, 50449080, 54270980, 59698078, 60538896, 65125176, 75673620, 81406470, 89547117, 97687764, 100898160, 108541960, 119396156, 122109705, 130250352, 149245195, 151347240, 162812940, 179094234, 195375528, 217083920, 238792312, 244219410, 268641351, 298490390, 302694480, 325625880, 358188468, 390751056, 447735585, 477584624, 488438820, 537282702, 596980780, 651251760, 716376936, 895471170, 976877640, 1074565404, 1193961560, 1343206755, 1432753872, 1790942340, 1953755280, 2149130808, 2387923120, 2686413510, 3581884680, 4298261616, 5372827020, 7163769360, 10745654040, 21491308080]

約数ペア:

[(1, 21491308080), (2, 10745654040), (3, 7163769360), (4, 5372827020), (5, 4298261616), (6, 3581884680), (8, 2686413510), (9, 2387923120), (10, 2149130808), (11, 1953755280), (12, 1790942340), (15, 1432753872), (16, 1343206755), (18, 1193961560), (20, 1074565404), (22, 976877640), (24, 895471170), (30, 716376936), (33, 651251760), (36, 596980780), (40, 537282702), (44, 488438820), (45, 477584624), (48, 447735585), (55, 390751056), (60, 358188468), (66, 325625880), (71, 302694480), (72, 298490390), (80, 268641351), (88, 244219410), (90, 238792312), (99, 217083920), (110, 195375528), (120, 179094234), (132, 162812940), (142, 151347240), (144, 149245195), (165, 130250352), (176, 122109705), (180, 119396156), (198, 108541960), (213, 100898160), (220, 97687764), (240, 89547117), (264, 81406470), (284, 75673620), (330, 65125176), (355, 60538896), (360, 59698078), (396, 54270980), (426, 50449080), (440, 48843882), (495, 43416784), (528, 40703235), (568, 37836810), (639, 33632720), (660, 32562588), (710, 30269448), (720, 29849039), (781, 27517680), (792, 27135490), (852, 25224540), (880, 24421941), (990, 21708392), (1065, 20179632), (1136, 18918405), (1278, 16816360), (1320, 16281294), (1420, 15134724), (1562, 13758840), (1584, 13567745), (1704, 12612270), (1980, 10854196), (2130, 10089816), (2343, 9172560), (2556, 8408180), (2640, 8140647), (2840, 7567362), (3124, 6879420), (3195, 6726544), (3408, 6306135), (3905, 5503536), (3960, 5427098), (4260, 5044908), (4686, 4586280), (5112, 4204090), (5680, 3783681), (6248, 3439710), (6390, 3363272), (7029, 3057520), (7810, 2751768), (7920, 2713549), (8520, 2522454), (9372, 2293140), (10224, 2102045), (11715, 1834512), (12496, 1719855), (12780, 1681636), (14058, 1528760), (15620, 1375884), (17040, 1261227), (18744, 1146570), (23430, 917256), (25560, 840818), (28116, 764380), (31240, 687942), (35145, 611504), (37488, 573285), (38219, 562320), (46860, 458628), (51120, 420409), (56232, 382190), (62480, 343971), (70290, 305752), (76438, 281160), (93720, 229314), (112464, 191095), (114657, 187440), (140580, 152876)]