21655359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5087}}^1$

素因数の和:5147

約数の個数: 24

約数和(自身を含む): 34924032

約数和(自身を除く): 13268673

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 5087, 15261, 45783, 55957, 167871, 218741, 503613, 656223, 1968669, 2406151, 7218453, 21655359]

約数ペア:

[(1, 21655359), (3, 7218453), (9, 2406151), (11, 1968669), (33, 656223), (43, 503613), (99, 218741), (129, 167871), (387, 55957), (473, 45783), (1419, 15261), (4257, 5087)]