21304393

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 24146496

約数和(自身を除く): 2842103

約数列:

[1, 11, 43, 73, 473, 617, 803, 3139, 6787, 26531, 34529, 45041, 291841, 495451, 1936763, 21304393]

約数ペア:

[(1, 21304393), (11, 1936763), (43, 495451), (73, 291841), (473, 45041), (617, 34529), (803, 26531), (3139, 6787)]