21680214

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157103}}^1$

素因数の和:157131

約数の個数: 16

約数和(自身を含む): 45245952

約数和(自身を除く): 23565738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157103, 314206, 471309, 942618, 3613369, 7226738, 10840107, 21680214]

約数ペア:

[(1, 21680214), (2, 10840107), (3, 7226738), (6, 3613369), (23, 942618), (46, 471309), (69, 314206), (138, 157103)]