21494160

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 200

約数和(自身を含む): 77780736

約数和(自身を除く): 56286576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 107, 108, 120, 124, 135, 144, 155, 162, 180, 186, 214, 216, 240, 248, 270, 279, 310, 321, 324, 360, 372, 405, 428, 432, 465, 496, 535, 540, 558, 620, 642, 648, 720, 744, 810, 837, 856, 930, 963, 1070, 1080, 1116, 1240, 1284, 1296, 1395, 1488, 1605, 1620, 1674, 1712, 1860, 1926, 2140, 2160, 2232, 2480, 2511, 2568, 2790, 2889, 3210, 3240, 3317, 3348, 3720, 3852, 4185, 4280, 4464, 4815, 5022, 5136, 5580, 5778, 6420, 6480, 6634, 6696, 7440, 7704, 8370, 8560, 8667, 9630, 9951, 10044, 11160, 11556, 12555, 12840, 13268, 13392, 14445, 15408, 16585, 16740, 17334, 19260, 19902, 20088, 22320, 23112, 25110, 25680, 26536, 28890, 29853, 33170, 33480, 34668, 38520, 39804, 40176, 43335, 46224, 49755, 50220, 53072, 57780, 59706, 66340, 66960, 69336, 77040, 79608, 86670, 89559, 99510, 100440, 115560, 119412, 132680, 138672, 149265, 159216, 173340, 179118, 199020, 200880, 231120, 238824, 265360, 268677, 298530, 346680, 358236, 398040, 447795, 477648, 537354, 597060, 693360, 716472, 796080, 895590, 1074708, 1194120, 1343385, 1432944, 1791180, 2149416, 2388240, 2686770, 3582360, 4298832, 5373540, 7164720, 10747080, 21494160]

約数ペア:

[(1, 21494160), (2, 10747080), (3, 7164720), (4, 5373540), (5, 4298832), (6, 3582360), (8, 2686770), (9, 2388240), (10, 2149416), (12, 1791180), (15, 1432944), (16, 1343385), (18, 1194120), (20, 1074708), (24, 895590), (27, 796080), (30, 716472), (31, 693360), (36, 597060), (40, 537354), (45, 477648), (48, 447795), (54, 398040), (60, 358236), (62, 346680), (72, 298530), (80, 268677), (81, 265360), (90, 238824), (93, 231120), (107, 200880), (108, 199020), (120, 179118), (124, 173340), (135, 159216), (144, 149265), (155, 138672), (162, 132680), (180, 119412), (186, 115560), (214, 100440), (216, 99510), (240, 89559), (248, 86670), (270, 79608), (279, 77040), (310, 69336), (321, 66960), (324, 66340), (360, 59706), (372, 57780), (405, 53072), (428, 50220), (432, 49755), (465, 46224), (496, 43335), (535, 40176), (540, 39804), (558, 38520), (620, 34668), (642, 33480), (648, 33170), (720, 29853), (744, 28890), (810, 26536), (837, 25680), (856, 25110), (930, 23112), (963, 22320), (1070, 20088), (1080, 19902), (1116, 19260), (1240, 17334), (1284, 16740), (1296, 16585), (1395, 15408), (1488, 14445), (1605, 13392), (1620, 13268), (1674, 12840), (1712, 12555), (1860, 11556), (1926, 11160), (2140, 10044), (2160, 9951), (2232, 9630), (2480, 8667), (2511, 8560), (2568, 8370), (2790, 7704), (2889, 7440), (3210, 6696), (3240, 6634), (3317, 6480), (3348, 6420), (3720, 5778), (3852, 5580), (4185, 5136), (4280, 5022), (4464, 4815)]