21307594

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 40352256

約数和(自身を除く): 19044662

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 581, 913, 1162, 1667, 1826, 3334, 6391, 11669, 12782, 18337, 23338, 36674, 128359, 138361, 256718, 276722, 968527, 1521971, 1937054, 3043942, 10653797, 21307594]

約数ペア:

[(1, 21307594), (2, 10653797), (7, 3043942), (11, 1937054), (14, 1521971), (22, 968527), (77, 276722), (83, 256718), (154, 138361), (166, 128359), (581, 36674), (913, 23338), (1162, 18337), (1667, 12782), (1826, 11669), (3334, 6391)]