2160851

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 2900160

約数和(自身を除く): 739309

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 211, 539, 931, 1463, 1477, 2321, 4009, 10241, 10339, 16247, 28063, 44099, 113729, 196441, 308693, 2160851]

約数ペア:

[(1, 2160851), (7, 308693), (11, 196441), (19, 113729), (49, 44099), (77, 28063), (133, 16247), (209, 10339), (211, 10241), (539, 4009), (931, 2321), (1463, 1477)]