21698236

素因数分解:

$2^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1093}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 43497440

約数和(自身を除く): 21799204

約数列:

[1, 2, 4, 7, 14, 28, 709, 1093, 1418, 2186, 2836, 4372, 4963, 7651, 9926, 15302, 19852, 30604, 774937, 1549874, 3099748, 5424559, 10849118, 21698236]

約数ペア:

[(1, 21698236), (2, 10849118), (4, 5424559), (7, 3099748), (14, 1549874), (28, 774937), (709, 30604), (1093, 19852), (1418, 15302), (2186, 9926), (2836, 7651), (4372, 4963)]