17420221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4073}}^1$

素因数の和:4140

約数の個数: 16

約数和(自身を含む): 21901824

約数和(自身を除く): 4481603

約数列:

[1, 7, 13, 47, 91, 329, 611, 4073, 4277, 28511, 52949, 191431, 370643, 1340017, 2488603, 17420221]

約数ペア:

[(1, 17420221), (7, 2488603), (13, 1340017), (47, 370643), (91, 191431), (329, 52949), (611, 28511), (4073, 4277)]