21543396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256469}}^1$

素因数の和:256483

約数の個数: 24

約数和(自身を含む): 57449280

約数和(自身を除く): 35905884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256469, 512938, 769407, 1025876, 1538814, 1795283, 3077628, 3590566, 5385849, 7181132, 10771698, 21543396]

約数ペア:

[(1, 21543396), (2, 10771698), (3, 7181132), (4, 5385849), (6, 3590566), (7, 3077628), (12, 1795283), (14, 1538814), (21, 1025876), (28, 769407), (42, 512938), (84, 256469)]