21360768

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 128

約数和(自身を含む): 66830400

約数和(自身を除く): 45469632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 192, 208, 264, 286, 312, 352, 384, 389, 416, 429, 528, 572, 624, 704, 778, 832, 858, 1056, 1144, 1167, 1248, 1408, 1556, 1664, 1716, 2112, 2288, 2334, 2496, 3112, 3432, 4224, 4279, 4576, 4668, 4992, 5057, 6224, 6864, 8558, 9152, 9336, 10114, 12448, 12837, 13728, 15171, 17116, 18304, 18672, 20228, 24896, 25674, 27456, 30342, 34232, 37344, 40456, 49792, 51348, 54912, 55627, 60684, 68464, 74688, 80912, 102696, 111254, 121368, 136928, 149376, 161824, 166881, 205392, 222508, 242736, 273856, 323648, 333762, 410784, 445016, 485472, 547712, 647296, 667524, 821568, 890032, 970944, 1335048, 1643136, 1780064, 1941888, 2670096, 3560128, 5340192, 7120256, 10680384, 21360768]

約数ペア:

[(1, 21360768), (2, 10680384), (3, 7120256), (4, 5340192), (6, 3560128), (8, 2670096), (11, 1941888), (12, 1780064), (13, 1643136), (16, 1335048), (22, 970944), (24, 890032), (26, 821568), (32, 667524), (33, 647296), (39, 547712), (44, 485472), (48, 445016), (52, 410784), (64, 333762), (66, 323648), (78, 273856), (88, 242736), (96, 222508), (104, 205392), (128, 166881), (132, 161824), (143, 149376), (156, 136928), (176, 121368), (192, 111254), (208, 102696), (264, 80912), (286, 74688), (312, 68464), (352, 60684), (384, 55627), (389, 54912), (416, 51348), (429, 49792), (528, 40456), (572, 37344), (624, 34232), (704, 30342), (778, 27456), (832, 25674), (858, 24896), (1056, 20228), (1144, 18672), (1167, 18304), (1248, 17116), (1408, 15171), (1556, 13728), (1664, 12837), (1716, 12448), (2112, 10114), (2288, 9336), (2334, 9152), (2496, 8558), (3112, 6864), (3432, 6224), (4224, 5057), (4279, 4992), (4576, 4668)]