21706617

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 29669760

約数和(自身を除く): 7963143

約数列:

[1, 3, 71, 101, 213, 303, 1009, 3027, 7171, 21513, 71639, 101909, 214917, 305727, 7235539, 21706617]

約数ペア:

[(1, 21706617), (3, 7235539), (71, 305727), (101, 214917), (213, 101909), (303, 71639), (1009, 21513), (3027, 7171)]