21210368

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2857}}^1$

素因数の和:2902

約数の個数: 36

約数和(自身を含む): 43813140

約数和(自身を除く): 22602772

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2857, 3712, 5714, 7424, 11428, 22856, 45712, 82853, 91424, 165706, 182848, 331412, 365696, 662824, 731392, 1325648, 2651296, 5302592, 10605184, 21210368]

約数ペア:

[(1, 21210368), (2, 10605184), (4, 5302592), (8, 2651296), (16, 1325648), (29, 731392), (32, 662824), (58, 365696), (64, 331412), (116, 182848), (128, 165706), (232, 91424), (256, 82853), (464, 45712), (928, 22856), (1856, 11428), (2857, 7424), (3712, 5714)]