21553836

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41771}}^1$

素因数の和:41821

約数の個数: 24

約数和(自身を含む): 51463104

約数和(自身を除く): 29909268

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41771, 83542, 125313, 167084, 250626, 501252, 1796153, 3592306, 5388459, 7184612, 10776918, 21553836]

約数ペア:

[(1, 21553836), (2, 10776918), (3, 7184612), (4, 5388459), (6, 3592306), (12, 1796153), (43, 501252), (86, 250626), (129, 167084), (172, 125313), (258, 83542), (516, 41771)]