21331486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3863}}^1$

素因数の和:4127

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 13722722

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3863, 5522, 7726, 42493, 84986, 969613, 1939226, 10665743, 21331486]

約数ペア:

[(1, 21331486), (2, 10665743), (11, 1939226), (22, 969613), (251, 84986), (502, 42493), (2761, 7726), (3863, 5522)]