21711360

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 160

約数和(自身を含む): 76012992

約数和(自身を除く): 54301632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 257, 264, 320, 330, 352, 384, 440, 480, 512, 514, 528, 640, 660, 704, 768, 771, 880, 960, 1028, 1056, 1280, 1285, 1320, 1408, 1536, 1542, 1760, 1920, 2056, 2112, 2560, 2570, 2640, 2816, 2827, 3084, 3520, 3840, 3855, 4112, 4224, 5140, 5280, 5632, 5654, 6168, 7040, 7680, 7710, 8224, 8448, 8481, 10280, 10560, 11308, 12336, 14080, 14135, 15420, 16448, 16896, 16962, 20560, 21120, 22616, 24672, 28160, 28270, 30840, 32896, 33924, 41120, 42240, 42405, 45232, 49344, 56540, 61680, 65792, 67848, 82240, 84480, 84810, 90464, 98688, 113080, 123360, 131584, 135696, 164480, 169620, 180928, 197376, 226160, 246720, 271392, 328960, 339240, 361856, 394752, 452320, 493440, 542784, 657920, 678480, 723712, 904640, 986880, 1085568, 1356960, 1447424, 1809280, 1973760, 2171136, 2713920, 3618560, 4342272, 5427840, 7237120, 10855680, 21711360]

約数ペア:

[(1, 21711360), (2, 10855680), (3, 7237120), (4, 5427840), (5, 4342272), (6, 3618560), (8, 2713920), (10, 2171136), (11, 1973760), (12, 1809280), (15, 1447424), (16, 1356960), (20, 1085568), (22, 986880), (24, 904640), (30, 723712), (32, 678480), (33, 657920), (40, 542784), (44, 493440), (48, 452320), (55, 394752), (60, 361856), (64, 339240), (66, 328960), (80, 271392), (88, 246720), (96, 226160), (110, 197376), (120, 180928), (128, 169620), (132, 164480), (160, 135696), (165, 131584), (176, 123360), (192, 113080), (220, 98688), (240, 90464), (256, 84810), (257, 84480), (264, 82240), (320, 67848), (330, 65792), (352, 61680), (384, 56540), (440, 49344), (480, 45232), (512, 42405), (514, 42240), (528, 41120), (640, 33924), (660, 32896), (704, 30840), (768, 28270), (771, 28160), (880, 24672), (960, 22616), (1028, 21120), (1056, 20560), (1280, 16962), (1285, 16896), (1320, 16448), (1408, 15420), (1536, 14135), (1542, 14080), (1760, 12336), (1920, 11308), (2056, 10560), (2112, 10280), (2560, 8481), (2570, 8448), (2640, 8224), (2816, 7710), (2827, 7680), (3084, 7040), (3520, 6168), (3840, 5654), (3855, 5632), (4112, 5280), (4224, 5140)]