21332210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21121}}^1$

素因数の和:21229

約数の個数: 16

約数和(自身を含む): 38779992

約数和(自身を除く): 17447782

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 21121, 42242, 105605, 211210, 2133221, 4266442, 10666105, 21332210]

約数ペア:

[(1, 21332210), (2, 10666105), (5, 4266442), (10, 2133221), (101, 211210), (202, 105605), (505, 42242), (1010, 21121)]