21535360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 256

約数和(自身を含む): 70502400

約数和(自身を除く): 48967040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 23, 28, 32, 35, 38, 40, 44, 46, 55, 56, 64, 70, 76, 77, 80, 88, 92, 95, 110, 112, 115, 128, 133, 140, 152, 154, 160, 161, 176, 184, 190, 209, 220, 224, 230, 253, 266, 280, 304, 308, 320, 322, 352, 368, 380, 385, 418, 437, 440, 448, 460, 506, 532, 560, 608, 616, 640, 644, 665, 704, 736, 760, 770, 805, 836, 874, 880, 896, 920, 1012, 1045, 1064, 1120, 1216, 1232, 1265, 1288, 1330, 1408, 1463, 1472, 1520, 1540, 1610, 1672, 1748, 1760, 1771, 1840, 2024, 2090, 2128, 2185, 2240, 2432, 2464, 2530, 2576, 2660, 2926, 2944, 3040, 3059, 3080, 3220, 3344, 3496, 3520, 3542, 3680, 4048, 4180, 4256, 4370, 4480, 4807, 4928, 5060, 5152, 5320, 5852, 6080, 6118, 6160, 6440, 6688, 6992, 7040, 7084, 7315, 7360, 8096, 8360, 8512, 8740, 8855, 9614, 9856, 10120, 10304, 10640, 11704, 12160, 12236, 12320, 12880, 13376, 13984, 14168, 14630, 14720, 15295, 16192, 16720, 17024, 17480, 17710, 19228, 20240, 20608, 21280, 23408, 24035, 24472, 24640, 25760, 26752, 27968, 28336, 29260, 30590, 32384, 33440, 33649, 34960, 35420, 38456, 40480, 42560, 46816, 48070, 48944, 49280, 51520, 55936, 56672, 58520, 61180, 66880, 67298, 69920, 70840, 76912, 80960, 85120, 93632, 96140, 97888, 103040, 113344, 117040, 122360, 133760, 134596, 139840, 141680, 153824, 161920, 168245, 187264, 192280, 195776, 226688, 234080, 244720, 269192, 279680, 283360, 307648, 336490, 384560, 391552, 468160, 489440, 538384, 566720, 615296, 672980, 769120, 936320, 978880, 1076768, 1133440, 1345960, 1538240, 1957760, 2153536, 2691920, 3076480, 4307072, 5383840, 10767680, 21535360]

約数ペア:

[(1, 21535360), (2, 10767680), (4, 5383840), (5, 4307072), (7, 3076480), (8, 2691920), (10, 2153536), (11, 1957760), (14, 1538240), (16, 1345960), (19, 1133440), (20, 1076768), (22, 978880), (23, 936320), (28, 769120), (32, 672980), (35, 615296), (38, 566720), (40, 538384), (44, 489440), (46, 468160), (55, 391552), (56, 384560), (64, 336490), (70, 307648), (76, 283360), (77, 279680), (80, 269192), (88, 244720), (92, 234080), (95, 226688), (110, 195776), (112, 192280), (115, 187264), (128, 168245), (133, 161920), (140, 153824), (152, 141680), (154, 139840), (160, 134596), (161, 133760), (176, 122360), (184, 117040), (190, 113344), (209, 103040), (220, 97888), (224, 96140), (230, 93632), (253, 85120), (266, 80960), (280, 76912), (304, 70840), (308, 69920), (320, 67298), (322, 66880), (352, 61180), (368, 58520), (380, 56672), (385, 55936), (418, 51520), (437, 49280), (440, 48944), (448, 48070), (460, 46816), (506, 42560), (532, 40480), (560, 38456), (608, 35420), (616, 34960), (640, 33649), (644, 33440), (665, 32384), (704, 30590), (736, 29260), (760, 28336), (770, 27968), (805, 26752), (836, 25760), (874, 24640), (880, 24472), (896, 24035), (920, 23408), (1012, 21280), (1045, 20608), (1064, 20240), (1120, 19228), (1216, 17710), (1232, 17480), (1265, 17024), (1288, 16720), (1330, 16192), (1408, 15295), (1463, 14720), (1472, 14630), (1520, 14168), (1540, 13984), (1610, 13376), (1672, 12880), (1748, 12320), (1760, 12236), (1771, 12160), (1840, 11704), (2024, 10640), (2090, 10304), (2128, 10120), (2185, 9856), (2240, 9614), (2432, 8855), (2464, 8740), (2530, 8512), (2576, 8360), (2660, 8096), (2926, 7360), (2944, 7315), (3040, 7084), (3059, 7040), (3080, 6992), (3220, 6688), (3344, 6440), (3496, 6160), (3520, 6118), (3542, 6080), (3680, 5852), (4048, 5320), (4180, 5152), (4256, 5060), (4370, 4928), (4480, 4807)]