21645672

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8429}}^1$

素因数の和:8545

約数の個数: 32

約数和(自身を含む): 54626400

約数和(自身を除く): 32980728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8429, 16858, 25287, 33716, 50574, 67432, 101148, 202296, 901903, 1803806, 2705709, 3607612, 5411418, 7215224, 10822836, 21645672]

約数ペア:

[(1, 21645672), (2, 10822836), (3, 7215224), (4, 5411418), (6, 3607612), (8, 2705709), (12, 1803806), (24, 901903), (107, 202296), (214, 101148), (321, 67432), (428, 50574), (642, 33716), (856, 25287), (1284, 16858), (2568, 8429)]