21345884

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2713}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 42859488

約数和(自身を除く): 21513604

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2713, 3934, 5426, 7868, 10852, 18991, 37982, 75964, 762353, 1524706, 3049412, 5336471, 10672942, 21345884]

約数ペア:

[(1, 21345884), (2, 10672942), (4, 5336471), (7, 3049412), (14, 1524706), (28, 762353), (281, 75964), (562, 37982), (1124, 18991), (1967, 10852), (2713, 7868), (3934, 5426)]