21056423

素因数分解:

${\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 1338457

約数列:

[1, 47, 53, 79, 107, 2491, 3713, 4187, 5029, 5671, 8453, 196789, 266537, 397291, 448009, 21056423]

約数ペア:

[(1, 21056423), (47, 448009), (53, 397291), (79, 266537), (107, 196789), (2491, 8453), (3713, 5671), (4187, 5029)]