21167383040

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{285121}}^1$

素因数の和:285173

約数の個数: 80

約数和(自身を含む): 52502365080

約数和(自身を除く): 31334982040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1856, 2320, 2560, 3712, 4640, 7424, 9280, 14848, 18560, 37120, 74240, 285121, 570242, 1140484, 1425605, 2280968, 2851210, 4561936, 5702420, 8268509, 9123872, 11404840, 16537018, 18247744, 22809680, 33074036, 36495488, 41342545, 45619360, 66148072, 72990976, 82685090, 91238720, 132296144, 145981952, 165370180, 182477440, 264592288, 330740360, 364954880, 529184576, 661480720, 729909760, 1058369152, 1322961440, 2116738304, 2645922880, 4233476608, 5291845760, 10583691520, 21167383040]

約数ペア:

[(1, 21167383040), (2, 10583691520), (4, 5291845760), (5, 4233476608), (8, 2645922880), (10, 2116738304), (16, 1322961440), (20, 1058369152), (29, 729909760), (32, 661480720), (40, 529184576), (58, 364954880), (64, 330740360), (80, 264592288), (116, 182477440), (128, 165370180), (145, 145981952), (160, 132296144), (232, 91238720), (256, 82685090), (290, 72990976), (320, 66148072), (464, 45619360), (512, 41342545), (580, 36495488), (640, 33074036), (928, 22809680), (1160, 18247744), (1280, 16537018), (1856, 11404840), (2320, 9123872), (2560, 8268509), (3712, 5702420), (4640, 4561936), (7424, 2851210), (9280, 2280968), (14848, 1425605), (18560, 1140484), (37120, 570242), (74240, 285121)]