21867120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 180

約数和(自身を含む): 81041688

約数和(自身を除く): 59174568

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, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 251, 264, 330, 360, 363, 396, 440, 484, 495, 502, 528, 605, 660, 720, 726, 753, 792, 880, 968, 990, 1004, 1089, 1210, 1255, 1320, 1452, 1506, 1584, 1815, 1936, 1980, 2008, 2178, 2259, 2420, 2510, 2640, 2761, 2904, 3012, 3630, 3765, 3960, 4016, 4356, 4518, 4840, 5020, 5445, 5522, 5808, 6024, 7260, 7530, 7920, 8283, 8712, 9036, 9680, 10040, 10890, 11044, 11295, 12048, 13805, 14520, 15060, 16566, 17424, 18072, 20080, 21780, 22088, 22590, 24849, 27610, 29040, 30120, 30371, 33132, 36144, 41415, 43560, 44176, 45180, 49698, 55220, 60240, 60742, 66264, 82830, 87120, 90360, 91113, 99396, 110440, 121484, 124245, 132528, 151855, 165660, 180720, 182226, 198792, 220880, 242968, 248490, 273339, 303710, 331320, 364452, 397584, 455565, 485936, 496980, 546678, 607420, 662640, 728904, 911130, 993960, 1093356, 1214840, 1366695, 1457808, 1822260, 1987920, 2186712, 2429680, 2733390, 3644520, 4373424, 5466780, 7289040, 10933560, 21867120]

約数ペア:

[(1, 21867120), (2, 10933560), (3, 7289040), (4, 5466780), (5, 4373424), (6, 3644520), (8, 2733390), (9, 2429680), (10, 2186712), (11, 1987920), (12, 1822260), (15, 1457808), (16, 1366695), (18, 1214840), (20, 1093356), (22, 993960), (24, 911130), (30, 728904), (33, 662640), (36, 607420), (40, 546678), (44, 496980), (45, 485936), (48, 455565), (55, 397584), (60, 364452), (66, 331320), (72, 303710), (80, 273339), (88, 248490), (90, 242968), (99, 220880), (110, 198792), (120, 182226), (121, 180720), (132, 165660), (144, 151855), (165, 132528), (176, 124245), (180, 121484), (198, 110440), (220, 99396), (240, 91113), (242, 90360), (251, 87120), (264, 82830), (330, 66264), (360, 60742), (363, 60240), (396, 55220), (440, 49698), (484, 45180), (495, 44176), (502, 43560), (528, 41415), (605, 36144), (660, 33132), (720, 30371), (726, 30120), (753, 29040), (792, 27610), (880, 24849), (968, 22590), (990, 22088), (1004, 21780), (1089, 20080), (1210, 18072), (1255, 17424), (1320, 16566), (1452, 15060), (1506, 14520), (1584, 13805), (1815, 12048), (1936, 11295), (1980, 11044), (2008, 10890), (2178, 10040), (2259, 9680), (2420, 9036), (2510, 8712), (2640, 8283), (2761, 7920), (2904, 7530), (3012, 7260), (3630, 6024), (3765, 5808), (3960, 5522), (4016, 5445), (4356, 5020), (4518, 4840)]