21196560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 320

約数和(自身を含む): 86851584

約数和(自身を除く): 65655024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 33, 35, 37, 40, 42, 44, 48, 55, 56, 60, 62, 66, 70, 74, 77, 80, 84, 88, 93, 105, 110, 111, 112, 120, 124, 132, 140, 148, 154, 155, 165, 168, 176, 185, 186, 210, 217, 220, 222, 231, 240, 248, 259, 264, 280, 296, 308, 310, 330, 336, 341, 370, 372, 385, 407, 420, 434, 440, 444, 462, 465, 496, 518, 528, 555, 560, 592, 616, 620, 651, 660, 682, 740, 744, 770, 777, 814, 840, 868, 880, 888, 924, 930, 1023, 1036, 1085, 1110, 1147, 1155, 1221, 1232, 1240, 1295, 1302, 1320, 1364, 1480, 1488, 1540, 1554, 1628, 1680, 1705, 1736, 1776, 1848, 1860, 2035, 2046, 2072, 2170, 2220, 2294, 2310, 2387, 2442, 2480, 2590, 2604, 2640, 2728, 2849, 2960, 3080, 3108, 3255, 3256, 3410, 3441, 3472, 3696, 3720, 3885, 4070, 4092, 4144, 4340, 4440, 4588, 4620, 4774, 4884, 5115, 5180, 5208, 5456, 5698, 5735, 6105, 6160, 6216, 6510, 6512, 6820, 6882, 7161, 7440, 7770, 8029, 8140, 8184, 8547, 8680, 8880, 9176, 9240, 9548, 9768, 10230, 10360, 10416, 11396, 11470, 11935, 12210, 12432, 12617, 13020, 13640, 13764, 14245, 14322, 15540, 16058, 16280, 16368, 17094, 17205, 17360, 18352, 18480, 19096, 19536, 20460, 20720, 22792, 22940, 23870, 24087, 24420, 25234, 26040, 27280, 27528, 28490, 28644, 31080, 32116, 32560, 34188, 34410, 35805, 37851, 38192, 40145, 40920, 42735, 45584, 45880, 47740, 48174, 48840, 50468, 52080, 55056, 56980, 57288, 62160, 63085, 64232, 68376, 68820, 71610, 75702, 80290, 81840, 85470, 88319, 91760, 95480, 96348, 97680, 100936, 113960, 114576, 120435, 126170, 128464, 136752, 137640, 143220, 151404, 160580, 170940, 176638, 189255, 190960, 192696, 201872, 227920, 240870, 252340, 264957, 275280, 286440, 302808, 321160, 341880, 353276, 378510, 385392, 441595, 481740, 504680, 529914, 572880, 605616, 642320, 683760, 706552, 757020, 883190, 963480, 1009360, 1059828, 1324785, 1413104, 1514040, 1766380, 1926960, 2119656, 2649570, 3028080, 3532760, 4239312, 5299140, 7065520, 10598280, 21196560]

約数ペア:

[(1, 21196560), (2, 10598280), (3, 7065520), (4, 5299140), (5, 4239312), (6, 3532760), (7, 3028080), (8, 2649570), (10, 2119656), (11, 1926960), (12, 1766380), (14, 1514040), (15, 1413104), (16, 1324785), (20, 1059828), (21, 1009360), (22, 963480), (24, 883190), (28, 757020), (30, 706552), (31, 683760), (33, 642320), (35, 605616), (37, 572880), (40, 529914), (42, 504680), (44, 481740), (48, 441595), (55, 385392), (56, 378510), (60, 353276), (62, 341880), (66, 321160), (70, 302808), (74, 286440), (77, 275280), (80, 264957), (84, 252340), (88, 240870), (93, 227920), (105, 201872), (110, 192696), (111, 190960), (112, 189255), (120, 176638), (124, 170940), (132, 160580), (140, 151404), (148, 143220), (154, 137640), (155, 136752), (165, 128464), (168, 126170), (176, 120435), (185, 114576), (186, 113960), (210, 100936), (217, 97680), (220, 96348), (222, 95480), (231, 91760), (240, 88319), (248, 85470), (259, 81840), (264, 80290), (280, 75702), (296, 71610), (308, 68820), (310, 68376), (330, 64232), (336, 63085), (341, 62160), (370, 57288), (372, 56980), (385, 55056), (407, 52080), (420, 50468), (434, 48840), (440, 48174), (444, 47740), (462, 45880), (465, 45584), (496, 42735), (518, 40920), (528, 40145), (555, 38192), (560, 37851), (592, 35805), (616, 34410), (620, 34188), (651, 32560), (660, 32116), (682, 31080), (740, 28644), (744, 28490), (770, 27528), (777, 27280), (814, 26040), (840, 25234), (868, 24420), (880, 24087), (888, 23870), (924, 22940), (930, 22792), (1023, 20720), (1036, 20460), (1085, 19536), (1110, 19096), (1147, 18480), (1155, 18352), (1221, 17360), (1232, 17205), (1240, 17094), (1295, 16368), (1302, 16280), (1320, 16058), (1364, 15540), (1480, 14322), (1488, 14245), (1540, 13764), (1554, 13640), (1628, 13020), (1680, 12617), (1705, 12432), (1736, 12210), (1776, 11935), (1848, 11470), (1860, 11396), (2035, 10416), (2046, 10360), (2072, 10230), (2170, 9768), (2220, 9548), (2294, 9240), (2310, 9176), (2387, 8880), (2442, 8680), (2480, 8547), (2590, 8184), (2604, 8140), (2640, 8029), (2728, 7770), (2849, 7440), (2960, 7161), (3080, 6882), (3108, 6820), (3255, 6512), (3256, 6510), (3410, 6216), (3441, 6160), (3472, 6105), (3696, 5735), (3720, 5698), (3885, 5456), (4070, 5208), (4092, 5180), (4144, 5115), (4340, 4884), (4440, 4774), (4588, 4620)]