21856572

素因数分解:

$2^2\times 3^2\times {\mathrm{607127}}^1$

素因数の和:607137

約数の個数: 18

約数和(自身を含む): 55248648

約数和(自身を除く): 33392076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607127, 1214254, 1821381, 2428508, 3642762, 5464143, 7285524, 10928286, 21856572]

約数ペア:

[(1, 21856572), (2, 10928286), (3, 7285524), (4, 5464143), (6, 3642762), (9, 2428508), (12, 1821381), (18, 1214254), (36, 607127)]