21049367056

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{83}}^2$

素因数の和:258

約数の個数: 135

約数和(自身を含む): 45544030959

約数和(自身を除く): 24494663903

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 83, 92, 152, 166, 184, 304, 332, 361, 368, 437, 529, 664, 722, 874, 1058, 1328, 1444, 1577, 1748, 1909, 2116, 2888, 3154, 3496, 3818, 4232, 5776, 6308, 6889, 6992, 7636, 8303, 8464, 10051, 12616, 13778, 15272, 16606, 20102, 25232, 27556, 29963, 30544, 33212, 36271, 40204, 43907, 55112, 59926, 66424, 72542, 80408, 87814, 110224, 119852, 130891, 132848, 145084, 158447, 160816, 175628, 190969, 239704, 261782, 290168, 316894, 351256, 381938, 479408, 523564, 580336, 633788, 689149, 702512, 763876, 834233, 1047128, 1267576, 1378298, 1527752, 1668466, 2094256, 2486929, 2535152, 2756596, 3010493, 3055504, 3336932, 3644281, 4973858, 5513192, 6020986, 6673864, 7288562, 9947716, 11026384, 12041972, 13347728, 14577124, 15850427, 19895432, 24083944, 29154248, 31700854, 39790864, 48167888, 57199367, 58308496, 63401708, 69241339, 114398734, 126803416, 138482678, 228797468, 253606832, 276965356, 457594936, 553930712, 915189872, 1107861424, 1315585441, 2631170882, 5262341764, 10524683528, 21049367056]

約数ペア:

[(1, 21049367056), (2, 10524683528), (4, 5262341764), (8, 2631170882), (16, 1315585441), (19, 1107861424), (23, 915189872), (38, 553930712), (46, 457594936), (76, 276965356), (83, 253606832), (92, 228797468), (152, 138482678), (166, 126803416), (184, 114398734), (304, 69241339), (332, 63401708), (361, 58308496), (368, 57199367), (437, 48167888), (529, 39790864), (664, 31700854), (722, 29154248), (874, 24083944), (1058, 19895432), (1328, 15850427), (1444, 14577124), (1577, 13347728), (1748, 12041972), (1909, 11026384), (2116, 9947716), (2888, 7288562), (3154, 6673864), (3496, 6020986), (3818, 5513192), (4232, 4973858), (5776, 3644281), (6308, 3336932), (6889, 3055504), (6992, 3010493), (7636, 2756596), (8303, 2535152), (8464, 2486929), (10051, 2094256), (12616, 1668466), (13778, 1527752), (15272, 1378298), (16606, 1267576), (20102, 1047128), (25232, 834233), (27556, 763876), (29963, 702512), (30544, 689149), (33212, 633788), (36271, 580336), (40204, 523564), (43907, 479408), (55112, 381938), (59926, 351256), (66424, 316894), (72542, 290168), (80408, 261782), (87814, 239704), (110224, 190969), (119852, 175628), (130891, 160816), (132848, 158447)]