21966724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13627}}^1$

素因数の和:13675

約数の個数: 24

約数和(自身を含む): 42737408

約数和(自身を除く): 20770684

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13627, 27254, 54508, 177151, 354302, 422437, 708604, 844874, 1689748, 5491681, 10983362, 21966724]

約数ペア:

[(1, 21966724), (2, 10983362), (4, 5491681), (13, 1689748), (26, 844874), (31, 708604), (52, 422437), (62, 354302), (124, 177151), (403, 54508), (806, 27254), (1612, 13627)]