21320893776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{256903}}^1$

素因数の和:256953

約数の個数: 160

約数和(自身を含む): 71357655040

約数和(自身を除く): 50036761264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 52, 56, 57, 76, 78, 84, 91, 104, 112, 114, 133, 152, 156, 168, 182, 208, 228, 247, 266, 273, 304, 312, 336, 364, 399, 456, 494, 532, 546, 624, 728, 741, 798, 912, 988, 1064, 1092, 1456, 1482, 1596, 1729, 1976, 2128, 2184, 2964, 3192, 3458, 3952, 4368, 5187, 5928, 6384, 6916, 10374, 11856, 13832, 20748, 27664, 41496, 82992, 256903, 513806, 770709, 1027612, 1541418, 1798321, 2055224, 3082836, 3339739, 3596642, 4110448, 4881157, 5394963, 6165672, 6679478, 7193284, 9762314, 10019217, 10789926, 12331344, 13358956, 14386568, 14643471, 19524628, 20038434, 21579852, 23378173, 26717912, 28773136, 29286942, 34168099, 39049256, 40076868, 43159704, 46756346, 53435824, 58573884, 63455041, 68336198, 70134519, 78098512, 80153736, 86319408, 93512692, 102504297, 117147768, 126910082, 136672396, 140269038, 160307472, 187025384, 190365123, 205008594, 234295536, 253820164, 273344792, 280538076, 374050768, 380730246, 410017188, 444185287, 507640328, 546689584, 561076152, 761460492, 820034376, 888370574, 1015280656, 1122152304, 1332555861, 1522920984, 1640068752, 1776741148, 2665111722, 3045841968, 3553482296, 5330223444, 7106964592, 10660446888, 21320893776]

約数ペア:

[(1, 21320893776), (2, 10660446888), (3, 7106964592), (4, 5330223444), (6, 3553482296), (7, 3045841968), (8, 2665111722), (12, 1776741148), (13, 1640068752), (14, 1522920984), (16, 1332555861), (19, 1122152304), (21, 1015280656), (24, 888370574), (26, 820034376), (28, 761460492), (38, 561076152), (39, 546689584), (42, 507640328), (48, 444185287), (52, 410017188), (56, 380730246), (57, 374050768), (76, 280538076), (78, 273344792), (84, 253820164), (91, 234295536), (104, 205008594), (112, 190365123), (114, 187025384), (133, 160307472), (152, 140269038), (156, 136672396), (168, 126910082), (182, 117147768), (208, 102504297), (228, 93512692), (247, 86319408), (266, 80153736), (273, 78098512), (304, 70134519), (312, 68336198), (336, 63455041), (364, 58573884), (399, 53435824), (456, 46756346), (494, 43159704), (532, 40076868), (546, 39049256), (624, 34168099), (728, 29286942), (741, 28773136), (798, 26717912), (912, 23378173), (988, 21579852), (1064, 20038434), (1092, 19524628), (1456, 14643471), (1482, 14386568), (1596, 13358956), (1729, 12331344), (1976, 10789926), (2128, 10019217), (2184, 9762314), (2964, 7193284), (3192, 6679478), (3458, 6165672), (3952, 5394963), (4368, 4881157), (5187, 4110448), (5928, 3596642), (6384, 3339739), (6916, 3082836), (10374, 2055224), (11856, 1798321), (13832, 1541418), (20748, 1027612), (27664, 770709), (41496, 513806), (82992, 256903)]