21158379520

素因数分解:

$2^{14}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15193}}^1$

素因数の和:15243

約数の個数: 120

約数和(自身を含む): 53769074184

約数和(自身を除く): 32610694664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2560, 2720, 4096, 4352, 5120, 5440, 8192, 8704, 10240, 10880, 15193, 16384, 17408, 20480, 21760, 30386, 34816, 40960, 43520, 60772, 69632, 75965, 81920, 87040, 121544, 139264, 151930, 174080, 243088, 258281, 278528, 303860, 348160, 486176, 516562, 607720, 696320, 972352, 1033124, 1215440, 1291405, 1392640, 1944704, 2066248, 2430880, 2582810, 3889408, 4132496, 4861760, 5165620, 7778816, 8264992, 9723520, 10331240, 15557632, 16529984, 19447040, 20662480, 31115264, 33059968, 38894080, 41324960, 62230528, 66119936, 77788160, 82649920, 124461056, 132239872, 155576320, 165299840, 248922112, 264479744, 311152640, 330599680, 528959488, 622305280, 661199360, 1057918976, 1244610560, 1322398720, 2115837952, 2644797440, 4231675904, 5289594880, 10579189760, 21158379520]

約数ペア:

[(1, 21158379520), (2, 10579189760), (4, 5289594880), (5, 4231675904), (8, 2644797440), (10, 2115837952), (16, 1322398720), (17, 1244610560), (20, 1057918976), (32, 661199360), (34, 622305280), (40, 528959488), (64, 330599680), (68, 311152640), (80, 264479744), (85, 248922112), (128, 165299840), (136, 155576320), (160, 132239872), (170, 124461056), (256, 82649920), (272, 77788160), (320, 66119936), (340, 62230528), (512, 41324960), (544, 38894080), (640, 33059968), (680, 31115264), (1024, 20662480), (1088, 19447040), (1280, 16529984), (1360, 15557632), (2048, 10331240), (2176, 9723520), (2560, 8264992), (2720, 7778816), (4096, 5165620), (4352, 4861760), (5120, 4132496), (5440, 3889408), (8192, 2582810), (8704, 2430880), (10240, 2066248), (10880, 1944704), (15193, 1392640), (16384, 1291405), (17408, 1215440), (20480, 1033124), (21760, 972352), (30386, 696320), (34816, 607720), (40960, 516562), (43520, 486176), (60772, 348160), (69632, 303860), (75965, 278528), (81920, 258281), (87040, 243088), (121544, 174080), (139264, 151930)]