21000337488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{11821}}^1$

素因数の和:11934

約数の個数: 180

約数和(自身を含む): 64517690172

約数和(自身を除く): 43517352684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 73, 78, 104, 117, 144, 146, 156, 169, 208, 219, 234, 292, 312, 338, 438, 468, 507, 584, 624, 657, 676, 876, 936, 949, 1014, 1168, 1314, 1352, 1521, 1752, 1872, 1898, 2028, 2628, 2704, 2847, 3042, 3504, 3796, 4056, 5256, 5694, 6084, 7592, 8112, 8541, 10512, 11388, 11821, 12168, 12337, 15184, 17082, 22776, 23642, 24336, 24674, 34164, 35463, 37011, 45552, 47284, 49348, 68328, 70926, 74022, 94568, 98696, 106389, 111033, 136656, 141852, 148044, 153673, 189136, 197392, 212778, 222066, 283704, 296088, 307346, 425556, 444132, 461019, 567408, 592176, 614692, 851112, 862933, 888264, 922038, 1229384, 1383057, 1702224, 1725866, 1776528, 1844076, 1997749, 2458768, 2588799, 2766114, 3451732, 3688152, 3995498, 5177598, 5532228, 5993247, 6903464, 7376304, 7766397, 7990996, 10355196, 11064456, 11218129, 11986494, 13806928, 15532794, 15981992, 17979741, 20710392, 22128912, 22436258, 23972988, 31065588, 31963984, 33654387, 35959482, 41420784, 44872516, 47945976, 62131176, 67308774, 71918964, 89745032, 95891952, 100963161, 124262352, 134617548, 143837928, 145835677, 179490064, 201926322, 269235096, 287675856, 291671354, 403852644, 437507031, 538470192, 583342708, 807705288, 875014062, 1166685416, 1312521093, 1615410576, 1750028124, 2333370832, 2625042186, 3500056248, 5250084372, 7000112496, 10500168744, 21000337488]

約数ペア:

[(1, 21000337488), (2, 10500168744), (3, 7000112496), (4, 5250084372), (6, 3500056248), (8, 2625042186), (9, 2333370832), (12, 1750028124), (13, 1615410576), (16, 1312521093), (18, 1166685416), (24, 875014062), (26, 807705288), (36, 583342708), (39, 538470192), (48, 437507031), (52, 403852644), (72, 291671354), (73, 287675856), (78, 269235096), (104, 201926322), (117, 179490064), (144, 145835677), (146, 143837928), (156, 134617548), (169, 124262352), (208, 100963161), (219, 95891952), (234, 89745032), (292, 71918964), (312, 67308774), (338, 62131176), (438, 47945976), (468, 44872516), (507, 41420784), (584, 35959482), (624, 33654387), (657, 31963984), (676, 31065588), (876, 23972988), (936, 22436258), (949, 22128912), (1014, 20710392), (1168, 17979741), (1314, 15981992), (1352, 15532794), (1521, 13806928), (1752, 11986494), (1872, 11218129), (1898, 11064456), (2028, 10355196), (2628, 7990996), (2704, 7766397), (2847, 7376304), (3042, 6903464), (3504, 5993247), (3796, 5532228), (4056, 5177598), (5256, 3995498), (5694, 3688152), (6084, 3451732), (7592, 2766114), (8112, 2588799), (8541, 2458768), (10512, 1997749), (11388, 1844076), (11821, 1776528), (12168, 1725866), (12337, 1702224), (15184, 1383057), (17082, 1229384), (22776, 922038), (23642, 888264), (24336, 862933), (24674, 851112), (34164, 614692), (35463, 592176), (37011, 567408), (45552, 461019), (47284, 444132), (49348, 425556), (68328, 307346), (70926, 296088), (74022, 283704), (94568, 222066), (98696, 212778), (106389, 197392), (111033, 189136), (136656, 153673), (141852, 148044)]