21787497321

素因数分解:

$3^1\times {\mathrm{1129}}^1\times {\mathrm{1471}}^1\times {\mathrm{4373}}^1$

素因数の和:6976

約数の個数: 16

約数和(自身を含む): 29102146560

約数和(自身を除く): 7314649239

約数列:

[1, 3, 1129, 1471, 3387, 4373, 4413, 13119, 1660759, 4937117, 4982277, 6432683, 14811351, 19298049, 7262499107, 21787497321]

約数ペア:

[(1, 21787497321), (3, 7262499107), (1129, 19298049), (1471, 14811351), (3387, 6432683), (4373, 4982277), (4413, 4937117), (13119, 1660759)]