21037836

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40771}}^1$

素因数の和:40821

約数の個数: 24

約数和(自身を含む): 50231104

約数和(自身を除く): 29193268

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40771, 81542, 122313, 163084, 244626, 489252, 1753153, 3506306, 5259459, 7012612, 10518918, 21037836]

約数ペア:

[(1, 21037836), (2, 10518918), (3, 7012612), (4, 5259459), (6, 3506306), (12, 1753153), (43, 489252), (86, 244626), (129, 163084), (172, 122313), (258, 81542), (516, 40771)]