21820069992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129881369}}^1$

素因数の和:129881385

約数の個数: 32

約数和(自身を含む): 62343057600

約数和(自身を除く): 40522987608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129881369, 259762738, 389644107, 519525476, 779288214, 909169583, 1039050952, 1558576428, 1818339166, 2727508749, 3117152856, 3636678332, 5455017498, 7273356664, 10910034996, 21820069992]

約数ペア:

[(1, 21820069992), (2, 10910034996), (3, 7273356664), (4, 5455017498), (6, 3636678332), (7, 3117152856), (8, 2727508749), (12, 1818339166), (14, 1558576428), (21, 1039050952), (24, 909169583), (28, 779288214), (42, 519525476), (56, 389644107), (84, 259762738), (168, 129881369)]