21457856568

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{4679}}^1$

素因数の和:4909

約数の個数: 128

約数和(自身を含む): 57620160000

約数和(自身を除く): 36162303432

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 89, 113, 114, 152, 178, 226, 228, 267, 339, 356, 452, 456, 534, 678, 712, 904, 1068, 1356, 1691, 2136, 2147, 2712, 3382, 4294, 4679, 5073, 6441, 6764, 8588, 9358, 10057, 10146, 12882, 13528, 14037, 17176, 18716, 20114, 20292, 25764, 28074, 30171, 37432, 40228, 40584, 51528, 56148, 60342, 80456, 88901, 112296, 120684, 177802, 191083, 241368, 266703, 355604, 382166, 416431, 528727, 533406, 573249, 711208, 764332, 832862, 1057454, 1066812, 1146498, 1249293, 1528664, 1586181, 1665724, 2114908, 2133624, 2292996, 2498586, 3172362, 3331448, 4229816, 4585992, 4997172, 6344724, 7912189, 9994344, 10045813, 12689448, 15824378, 20091626, 23736567, 30137439, 31648756, 40183252, 47056703, 47473134, 60274878, 63297512, 80366504, 94113406, 94946268, 120549756, 141170109, 188226812, 189892536, 241099512, 282340218, 376453624, 564680436, 894077357, 1129360872, 1788154714, 2682232071, 3576309428, 5364464142, 7152618856, 10728928284, 21457856568]

約数ペア:

[(1, 21457856568), (2, 10728928284), (3, 7152618856), (4, 5364464142), (6, 3576309428), (8, 2682232071), (12, 1788154714), (19, 1129360872), (24, 894077357), (38, 564680436), (57, 376453624), (76, 282340218), (89, 241099512), (113, 189892536), (114, 188226812), (152, 141170109), (178, 120549756), (226, 94946268), (228, 94113406), (267, 80366504), (339, 63297512), (356, 60274878), (452, 47473134), (456, 47056703), (534, 40183252), (678, 31648756), (712, 30137439), (904, 23736567), (1068, 20091626), (1356, 15824378), (1691, 12689448), (2136, 10045813), (2147, 9994344), (2712, 7912189), (3382, 6344724), (4294, 4997172), (4679, 4585992), (5073, 4229816), (6441, 3331448), (6764, 3172362), (8588, 2498586), (9358, 2292996), (10057, 2133624), (10146, 2114908), (12882, 1665724), (13528, 1586181), (14037, 1528664), (17176, 1249293), (18716, 1146498), (20114, 1066812), (20292, 1057454), (25764, 832862), (28074, 764332), (30171, 711208), (37432, 573249), (40228, 533406), (40584, 528727), (51528, 416431), (56148, 382166), (60342, 355604), (80456, 266703), (88901, 241368), (112296, 191083), (120684, 177802)]