21588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 57792

約数和(自身を除く): 36204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 1028, 1542, 1799, 3084, 3598, 5397, 7196, 10794, 21588]

約数ペア:

[(1, 21588), (2, 10794), (3, 7196), (4, 5397), (6, 3598), (7, 3084), (12, 1799), (14, 1542), (21, 1028), (28, 771), (42, 514), (84, 257)]