21506368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25849}}^1$

素因数の和:25874

約数の個数: 28

約数和(自身を含む): 45961300

約数和(自身を除く): 24454932

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25849, 51698, 103396, 206792, 336037, 413584, 672074, 827168, 1344148, 1654336, 2688296, 5376592, 10753184, 21506368]

約数ペア:

[(1, 21506368), (2, 10753184), (4, 5376592), (8, 2688296), (13, 1654336), (16, 1344148), (26, 827168), (32, 672074), (52, 413584), (64, 336037), (104, 206792), (208, 103396), (416, 51698), (832, 25849)]