21062656

素因数分解:

$2^{10}\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 44

約数和(自身を含む): 42872368

約数和(自身を除く): 21809712

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 307, 512, 536, 614, 1024, 1072, 1228, 2144, 2456, 4288, 4912, 8576, 9824, 17152, 19648, 20569, 34304, 39296, 41138, 68608, 78592, 82276, 157184, 164552, 314368, 329104, 658208, 1316416, 2632832, 5265664, 10531328, 21062656]

約数ペア:

[(1, 21062656), (2, 10531328), (4, 5265664), (8, 2632832), (16, 1316416), (32, 658208), (64, 329104), (67, 314368), (128, 164552), (134, 157184), (256, 82276), (268, 78592), (307, 68608), (512, 41138), (536, 39296), (614, 34304), (1024, 20569), (1072, 19648), (1228, 17152), (2144, 9824), (2456, 8576), (4288, 4912)]