2021338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 3336480

約数和(自身を除く): 1315142

約数列:

[1, 2, 11, 22, 139, 278, 661, 1322, 1529, 3058, 7271, 14542, 91879, 183758, 1010669, 2021338]

約数ペア:

[(1, 2021338), (2, 1010669), (11, 183758), (22, 91879), (139, 14542), (278, 7271), (661, 3058), (1322, 1529)]