21790106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20441}}^1$

素因数の和:20497

約数の個数: 16

約数和(自身を含む): 36059688

約数和(自身を除く): 14269582

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20441, 40882, 265733, 531466, 838081, 1676162, 10895053, 21790106]

約数ペア:

[(1, 21790106), (2, 10895053), (13, 1676162), (26, 838081), (41, 531466), (82, 265733), (533, 40882), (1066, 20441)]