21079398913

素因数分解:

${\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1\times {\mathrm{881}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 21375277056

約数和(自身を除く): 295878143

約数列:

[1, 127, 293, 643, 881, 37211, 81661, 111887, 188399, 258133, 566483, 23926673, 32782891, 71943341, 165979519, 21079398913]

約数ペア:

[(1, 21079398913), (127, 165979519), (293, 71943341), (643, 32782891), (881, 23926673), (37211, 566483), (81661, 258133), (111887, 188399)]