21056503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 24062080

約数和(自身を除く): 3005577

約数列:

[1, 13, 19, 163, 247, 523, 2119, 3097, 6799, 9937, 40261, 85249, 129181, 1108237, 1619731, 21056503]

約数ペア:

[(1, 21056503), (13, 1619731), (19, 1108237), (163, 129181), (247, 85249), (523, 40261), (2119, 9937), (3097, 6799)]