21435672

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20823

約数の個数: 32

約数和(自身を含む): 54838080

約数和(自身を除く): 33402408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20771, 41542, 62313, 83084, 124626, 166168, 249252, 498504, 893153, 1786306, 2679459, 3572612, 5358918, 7145224, 10717836, 21435672]

約数ペア:

[(1, 21435672), (2, 10717836), (3, 7145224), (4, 5358918), (6, 3572612), (8, 2679459), (12, 1786306), (24, 893153), (43, 498504), (86, 249252), (129, 166168), (172, 124626), (258, 83084), (344, 62313), (516, 41542), (1032, 20771)]