21595618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9719}}^1$

素因数の和:9833

約数の個数: 16

約数和(自身を含む): 35691840

約数和(自身を除く): 14096222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9719, 19438, 106909, 213818, 981619, 1963238, 10797809, 21595618]

約数ペア:

[(1, 21595618), (2, 10797809), (11, 1963238), (22, 981619), (101, 213818), (202, 106909), (1111, 19438), (2222, 9719)]