21149254

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48731}}^1$

素因数の和:48771

約数の個数: 16

約数和(自身を含む): 37426176

約数和(自身を除く): 16276922

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 48731, 97462, 341117, 682234, 1510661, 3021322, 10574627, 21149254]

約数ペア:

[(1, 21149254), (2, 10574627), (7, 3021322), (14, 1510661), (31, 682234), (62, 341117), (217, 97462), (434, 48731)]