21583082451

素因数分解:

$3^1\times 7^1\times {\mathrm{21997}}^1\times {\mathrm{46723}}^1$

素因数の和:68730

約数の個数: 16

約数和(自身を含む): 32890705664

約数和(自身を除く): 11307623213

約数列:

[1, 3, 7, 21, 21997, 46723, 65991, 140169, 153979, 327061, 461937, 981183, 1027765831, 3083297493, 7194360817, 21583082451]

約数ペア:

[(1, 21583082451), (3, 7194360817), (7, 3083297493), (21, 1027765831), (21997, 981183), (46723, 461937), (65991, 327061), (140169, 153979)]