21051291236

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{350411}}^1$

素因数の和:351091

約数の個数: 24

約数和(自身を含む): 38500467264

約数和(自身を除く): 17449176028

約数列:

[1, 2, 4, 23, 46, 92, 653, 1306, 2612, 15019, 30038, 60076, 350411, 700822, 1401644, 8059453, 16118906, 32237812, 228818383, 457636766, 915273532, 5262822809, 10525645618, 21051291236]

約数ペア:

[(1, 21051291236), (2, 10525645618), (4, 5262822809), (23, 915273532), (46, 457636766), (92, 228818383), (653, 32237812), (1306, 16118906), (2612, 8059453), (15019, 1401644), (30038, 700822), (60076, 350411)]