21339934

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138571}}^1$

素因数の和:138591

約数の個数: 16

約数和(自身を含む): 39908736

約数和(自身を除く): 18568802

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 138571, 277142, 969997, 1524281, 1939994, 3048562, 10669967, 21339934]

約数ペア:

[(1, 21339934), (2, 10669967), (7, 3048562), (11, 1939994), (14, 1524281), (22, 969997), (77, 277142), (154, 138571)]