21282201

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 32265480

約数和(自身を除く): 10983279

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 1117, 2117, 3351, 6351, 10053, 19053, 32393, 81541, 97179, 244623, 291537, 733869, 2364689, 7094067, 21282201]

約数ペア:

[(1, 21282201), (3, 7094067), (9, 2364689), (29, 733869), (73, 291537), (87, 244623), (219, 97179), (261, 81541), (657, 32393), (1117, 19053), (2117, 10053), (3351, 6351)]