21124162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8297}}^1$

素因数の和:8385

約数の個数: 16

約数和(自身を含む): 33855840

約数和(自身を除く): 12731678

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8297, 16594, 157643, 315286, 555899, 1111798, 10562081, 21124162]

約数ペア:

[(1, 21124162), (2, 10562081), (19, 1111798), (38, 555899), (67, 315286), (134, 157643), (1273, 16594), (2546, 8297)]