21086006

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1147

約数の個数: 16

約数和(自身を含む): 32306688

約数和(自身を除く): 11220682

約数列:

[1, 2, 71, 142, 163, 326, 911, 1822, 11573, 23146, 64681, 129362, 148493, 296986, 10543003, 21086006]

約数ペア:

[(1, 21086006), (2, 10543003), (71, 296986), (142, 148493), (163, 129362), (326, 64681), (911, 23146), (1822, 11573)]