21060347

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 27406512

約数和(自身を除く): 6346165

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 953, 2009, 3157, 6671, 10483, 22099, 39073, 46697, 73381, 273511, 429803, 513667, 1914577, 3008621, 21060347]

約数ペア:

[(1, 21060347), (7, 3008621), (11, 1914577), (41, 513667), (49, 429803), (77, 273511), (287, 73381), (451, 46697), (539, 39073), (953, 22099), (2009, 10483), (3157, 6671)]