21427748864

素因数分解:

$2^{15}\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 45633331200

約数和(自身を除く): 24205582336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 254, 256, 271, 304, 508, 512, 542, 608, 1016, 1024, 1084, 1216, 2032, 2048, 2168, 2413, 2432, 4064, 4096, 4336, 4826, 4864, 5149, 8128, 8192, 8672, 9652, 9728, 10298, 16256, 16384, 17344, 19304, 19456, 20596, 32512, 32768, 34417, 34688, 38608, 38912, 41192, 65024, 68834, 69376, 77216, 77824, 82384, 130048, 137668, 138752, 154432, 155648, 164768, 260096, 275336, 277504, 308864, 311296, 329536, 520192, 550672, 555008, 617728, 622592, 653923, 659072, 1040384, 1101344, 1110016, 1235456, 1307846, 1318144, 2080768, 2202688, 2220032, 2470912, 2615692, 2636288, 4161536, 4405376, 4440064, 4941824, 5231384, 5272576, 8810752, 8880128, 9883648, 10462768, 10545152, 17621504, 19767296, 20925536, 21090304, 35243008, 39534592, 41851072, 42180608, 70486016, 79069184, 83702144, 84361216, 140972032, 167404288, 168722432, 281944064, 334808576, 563888128, 669617152, 1127776256, 1339234304, 2678468608, 5356937216, 10713874432, 21427748864]

約数ペア:

[(1, 21427748864), (2, 10713874432), (4, 5356937216), (8, 2678468608), (16, 1339234304), (19, 1127776256), (32, 669617152), (38, 563888128), (64, 334808576), (76, 281944064), (127, 168722432), (128, 167404288), (152, 140972032), (254, 84361216), (256, 83702144), (271, 79069184), (304, 70486016), (508, 42180608), (512, 41851072), (542, 39534592), (608, 35243008), (1016, 21090304), (1024, 20925536), (1084, 19767296), (1216, 17621504), (2032, 10545152), (2048, 10462768), (2168, 9883648), (2413, 8880128), (2432, 8810752), (4064, 5272576), (4096, 5231384), (4336, 4941824), (4826, 4440064), (4864, 4405376), (5149, 4161536), (8128, 2636288), (8192, 2615692), (8672, 2470912), (9652, 2220032), (9728, 2202688), (10298, 2080768), (16256, 1318144), (16384, 1307846), (17344, 1235456), (19304, 1110016), (19456, 1101344), (20596, 1040384), (32512, 659072), (32768, 653923), (34417, 622592), (34688, 617728), (38608, 555008), (38912, 550672), (41192, 520192), (65024, 329536), (68834, 311296), (69376, 308864), (77216, 277504), (77824, 275336), (82384, 260096), (130048, 164768), (137668, 155648), (138752, 154432)]