21771288

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 288

約数和(自身を含む): 81874800

約数和(自身を除く): 60103512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 17, 18, 21, 22, 24, 27, 28, 33, 34, 36, 42, 44, 49, 51, 54, 56, 63, 66, 68, 72, 77, 84, 88, 98, 99, 102, 108, 119, 121, 126, 132, 136, 147, 153, 154, 168, 187, 189, 196, 198, 204, 216, 231, 238, 242, 252, 264, 294, 297, 306, 308, 357, 363, 374, 378, 392, 396, 408, 441, 459, 462, 476, 484, 504, 539, 561, 588, 594, 612, 616, 693, 714, 726, 748, 756, 792, 833, 847, 882, 918, 924, 952, 968, 1071, 1078, 1089, 1122, 1176, 1188, 1224, 1309, 1323, 1386, 1428, 1452, 1496, 1512, 1617, 1666, 1683, 1694, 1764, 1836, 1848, 2057, 2079, 2142, 2156, 2178, 2244, 2376, 2499, 2541, 2618, 2646, 2772, 2856, 2904, 3213, 3234, 3267, 3332, 3366, 3388, 3528, 3672, 3927, 4114, 4158, 4284, 4312, 4356, 4488, 4851, 4998, 5049, 5082, 5236, 5292, 5544, 5929, 6171, 6426, 6468, 6534, 6664, 6732, 6776, 7497, 7623, 7854, 8228, 8316, 8568, 8712, 9163, 9702, 9996, 10098, 10164, 10472, 10584, 11781, 11858, 12342, 12852, 12936, 13068, 13464, 14399, 14553, 14994, 15246, 15708, 16456, 16632, 17787, 18326, 18513, 19404, 19992, 20196, 20328, 22491, 22869, 23562, 23716, 24684, 25704, 26136, 27489, 28798, 29106, 29988, 30492, 31416, 35343, 35574, 36652, 37026, 38808, 40392, 43197, 44982, 45738, 47124, 47432, 49368, 53361, 54978, 55539, 57596, 58212, 59976, 60984, 70686, 71148, 73304, 74052, 82467, 86394, 89964, 91476, 94248, 100793, 106722, 109956, 111078, 115192, 116424, 129591, 141372, 142296, 148104, 160083, 164934, 172788, 179928, 182952, 201586, 213444, 219912, 222156, 247401, 259182, 282744, 302379, 320166, 329868, 345576, 388773, 403172, 426888, 444312, 494802, 518364, 604758, 640332, 659736, 777546, 806344, 907137, 989604, 1036728, 1209516, 1280664, 1555092, 1814274, 1979208, 2419032, 2721411, 3110184, 3628548, 5442822, 7257096, 10885644, 21771288]

約数ペア:

[(1, 21771288), (2, 10885644), (3, 7257096), (4, 5442822), (6, 3628548), (7, 3110184), (8, 2721411), (9, 2419032), (11, 1979208), (12, 1814274), (14, 1555092), (17, 1280664), (18, 1209516), (21, 1036728), (22, 989604), (24, 907137), (27, 806344), (28, 777546), (33, 659736), (34, 640332), (36, 604758), (42, 518364), (44, 494802), (49, 444312), (51, 426888), (54, 403172), (56, 388773), (63, 345576), (66, 329868), (68, 320166), (72, 302379), (77, 282744), (84, 259182), (88, 247401), (98, 222156), (99, 219912), (102, 213444), (108, 201586), (119, 182952), (121, 179928), (126, 172788), (132, 164934), (136, 160083), (147, 148104), (153, 142296), (154, 141372), (168, 129591), (187, 116424), (189, 115192), (196, 111078), (198, 109956), (204, 106722), (216, 100793), (231, 94248), (238, 91476), (242, 89964), (252, 86394), (264, 82467), (294, 74052), (297, 73304), (306, 71148), (308, 70686), (357, 60984), (363, 59976), (374, 58212), (378, 57596), (392, 55539), (396, 54978), (408, 53361), (441, 49368), (459, 47432), (462, 47124), (476, 45738), (484, 44982), (504, 43197), (539, 40392), (561, 38808), (588, 37026), (594, 36652), (612, 35574), (616, 35343), (693, 31416), (714, 30492), (726, 29988), (748, 29106), (756, 28798), (792, 27489), (833, 26136), (847, 25704), (882, 24684), (918, 23716), (924, 23562), (952, 22869), (968, 22491), (1071, 20328), (1078, 20196), (1089, 19992), (1122, 19404), (1176, 18513), (1188, 18326), (1224, 17787), (1309, 16632), (1323, 16456), (1386, 15708), (1428, 15246), (1452, 14994), (1496, 14553), (1512, 14399), (1617, 13464), (1666, 13068), (1683, 12936), (1694, 12852), (1764, 12342), (1836, 11858), (1848, 11781), (2057, 10584), (2079, 10472), (2142, 10164), (2156, 10098), (2178, 9996), (2244, 9702), (2376, 9163), (2499, 8712), (2541, 8568), (2618, 8316), (2646, 8228), (2772, 7854), (2856, 7623), (2904, 7497), (3213, 6776), (3234, 6732), (3267, 6664), (3332, 6534), (3366, 6468), (3388, 6426), (3528, 6171), (3672, 5929), (3927, 5544), (4114, 5292), (4158, 5236), (4284, 5082), (4312, 5049), (4356, 4998), (4488, 4851)]