21795840

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 264

約数和(自身を含む): 84303648

約数和(自身を除く): 62507808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 43, 44, 45, 48, 55, 60, 64, 66, 72, 80, 86, 88, 90, 96, 99, 110, 120, 128, 129, 132, 144, 160, 165, 172, 176, 180, 192, 198, 215, 220, 240, 256, 258, 264, 288, 320, 330, 344, 352, 360, 384, 387, 396, 430, 440, 473, 480, 495, 512, 516, 528, 576, 640, 645, 660, 688, 704, 720, 768, 774, 792, 860, 880, 946, 960, 990, 1024, 1032, 1056, 1152, 1280, 1290, 1320, 1376, 1408, 1419, 1440, 1536, 1548, 1584, 1720, 1760, 1892, 1920, 1935, 1980, 2064, 2112, 2304, 2365, 2560, 2580, 2640, 2752, 2816, 2838, 2880, 3072, 3096, 3168, 3440, 3520, 3784, 3840, 3870, 3960, 4128, 4224, 4257, 4608, 4730, 5120, 5160, 5280, 5504, 5632, 5676, 5760, 6192, 6336, 6880, 7040, 7095, 7568, 7680, 7740, 7920, 8256, 8448, 8514, 9216, 9460, 10320, 10560, 11008, 11264, 11352, 11520, 12384, 12672, 13760, 14080, 14190, 15136, 15360, 15480, 15840, 16512, 16896, 17028, 18920, 20640, 21120, 21285, 22016, 22704, 23040, 24768, 25344, 27520, 28160, 28380, 30272, 30960, 31680, 33024, 33792, 34056, 37840, 41280, 42240, 42570, 44032, 45408, 46080, 49536, 50688, 55040, 56320, 56760, 60544, 61920, 63360, 66048, 68112, 75680, 82560, 84480, 85140, 90816, 99072, 101376, 110080, 113520, 121088, 123840, 126720, 132096, 136224, 151360, 165120, 168960, 170280, 181632, 198144, 220160, 227040, 242176, 247680, 253440, 272448, 302720, 330240, 340560, 363264, 396288, 454080, 484352, 495360, 506880, 544896, 605440, 660480, 681120, 726528, 908160, 990720, 1089792, 1210880, 1362240, 1453056, 1816320, 1981440, 2179584, 2421760, 2724480, 3632640, 4359168, 5448960, 7265280, 10897920, 21795840]

約数ペア:

[(1, 21795840), (2, 10897920), (3, 7265280), (4, 5448960), (5, 4359168), (6, 3632640), (8, 2724480), (9, 2421760), (10, 2179584), (11, 1981440), (12, 1816320), (15, 1453056), (16, 1362240), (18, 1210880), (20, 1089792), (22, 990720), (24, 908160), (30, 726528), (32, 681120), (33, 660480), (36, 605440), (40, 544896), (43, 506880), (44, 495360), (45, 484352), (48, 454080), (55, 396288), (60, 363264), (64, 340560), (66, 330240), (72, 302720), (80, 272448), (86, 253440), (88, 247680), (90, 242176), (96, 227040), (99, 220160), (110, 198144), (120, 181632), (128, 170280), (129, 168960), (132, 165120), (144, 151360), (160, 136224), (165, 132096), (172, 126720), (176, 123840), (180, 121088), (192, 113520), (198, 110080), (215, 101376), (220, 99072), (240, 90816), (256, 85140), (258, 84480), (264, 82560), (288, 75680), (320, 68112), (330, 66048), (344, 63360), (352, 61920), (360, 60544), (384, 56760), (387, 56320), (396, 55040), (430, 50688), (440, 49536), (473, 46080), (480, 45408), (495, 44032), (512, 42570), (516, 42240), (528, 41280), (576, 37840), (640, 34056), (645, 33792), (660, 33024), (688, 31680), (704, 30960), (720, 30272), (768, 28380), (774, 28160), (792, 27520), (860, 25344), (880, 24768), (946, 23040), (960, 22704), (990, 22016), (1024, 21285), (1032, 21120), (1056, 20640), (1152, 18920), (1280, 17028), (1290, 16896), (1320, 16512), (1376, 15840), (1408, 15480), (1419, 15360), (1440, 15136), (1536, 14190), (1548, 14080), (1584, 13760), (1720, 12672), (1760, 12384), (1892, 11520), (1920, 11352), (1935, 11264), (1980, 11008), (2064, 10560), (2112, 10320), (2304, 9460), (2365, 9216), (2560, 8514), (2580, 8448), (2640, 8256), (2752, 7920), (2816, 7740), (2838, 7680), (2880, 7568), (3072, 7095), (3096, 7040), (3168, 6880), (3440, 6336), (3520, 6192), (3784, 5760), (3840, 5676), (3870, 5632), (3960, 5504), (4128, 5280), (4224, 5160), (4257, 5120), (4608, 4730)]