21608378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{9011}}^1$

素因数の和:9133

約数の個数: 16

約数和(自身を含む): 35687520

約数和(自身を除く): 14079142

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 9011, 18022, 99121, 198242, 982199, 1964398, 10804189, 21608378]

約数ペア:

[(1, 21608378), (2, 10804189), (11, 1964398), (22, 982199), (109, 198242), (218, 99121), (1199, 18022), (2398, 9011)]