21687504

素因数分解:

$2^4\times 3^1\times {\mathrm{451823}}^1$

素因数の和:451834

約数の個数: 20

約数和(自身を含む): 56026176

約数和(自身を除く): 34338672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451823, 903646, 1355469, 1807292, 2710938, 3614584, 5421876, 7229168, 10843752, 21687504]

約数ペア:

[(1, 21687504), (2, 10843752), (3, 7229168), (4, 5421876), (6, 3614584), (8, 2710938), (12, 1807292), (16, 1355469), (24, 903646), (48, 451823)]