21085820459

素因数分解:

${\mathrm{11}}^3\times {\mathrm{89}}^1\times {\mathrm{178001}}^1$

素因数の和:178123

約数の個数: 16

約数和(自身を含む): 23453543520

約数和(自身を除く): 2367723061

約数列:

[1, 11, 89, 121, 979, 1331, 10769, 118459, 178001, 1958011, 15842089, 21538121, 174262979, 236919331, 1916892769, 21085820459]

約数ペア:

[(1, 21085820459), (11, 1916892769), (89, 236919331), (121, 174262979), (979, 21538121), (1331, 15842089), (10769, 1958011), (118459, 178001)]