21172581507

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131501}}^1$

素因数の和:131580

約数の個数: 64

約数和(自身を含む): 38175556608

約数和(自身を除く): 17002975101

約数列:

[1, 3, 7, 11, 17, 21, 33, 41, 51, 77, 119, 123, 187, 231, 287, 357, 451, 561, 697, 861, 1309, 1353, 2091, 3157, 3927, 4879, 7667, 9471, 14637, 23001, 53669, 131501, 161007, 394503, 920507, 1446511, 2235517, 2761521, 4339533, 5391541, 6706551, 10125577, 15648619, 16174623, 24590687, 30376731, 37740787, 46945857, 59306951, 73772061, 91656197, 113222361, 172134809, 177920853, 274968591, 415148657, 516404427, 641593379, 1008218167, 1245445971, 1924780137, 3024654501, 7057527169, 21172581507]

約数ペア:

[(1, 21172581507), (3, 7057527169), (7, 3024654501), (11, 1924780137), (17, 1245445971), (21, 1008218167), (33, 641593379), (41, 516404427), (51, 415148657), (77, 274968591), (119, 177920853), (123, 172134809), (187, 113222361), (231, 91656197), (287, 73772061), (357, 59306951), (451, 46945857), (561, 37740787), (697, 30376731), (861, 24590687), (1309, 16174623), (1353, 15648619), (2091, 10125577), (3157, 6706551), (3927, 5391541), (4879, 4339533), (7667, 2761521), (9471, 2235517), (14637, 1446511), (23001, 920507), (53669, 394503), (131501, 161007)]