21947607

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2671}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 35013888

約数和(自身を除く): 13066281

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2671, 2739, 8013, 8217, 24039, 29381, 88143, 221693, 264429, 665079, 1995237, 2438623, 7315869, 21947607]

約数ペア:

[(1, 21947607), (3, 7315869), (9, 2438623), (11, 1995237), (33, 665079), (83, 264429), (99, 221693), (249, 88143), (747, 29381), (913, 24039), (2671, 8217), (2739, 8013)]