21164656

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{2857}}^1$

素因数の和:3328

約数の個数: 20

約数和(自身を含む): 41109472

約数和(自身を除く): 19944816

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 2857, 3704, 5714, 7408, 11428, 22856, 45712, 1322791, 2645582, 5291164, 10582328, 21164656]

約数ペア:

[(1, 21164656), (2, 10582328), (4, 5291164), (8, 2645582), (16, 1322791), (463, 45712), (926, 22856), (1852, 11428), (2857, 7408), (3704, 5714)]