21695938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3929}}^1$

素因数の和:4193

約数の個数: 16

約数和(自身を含む): 35652960

約数和(自身を除く): 13957022

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3929, 5522, 7858, 43219, 86438, 986179, 1972358, 10847969, 21695938]

約数ペア:

[(1, 21695938), (2, 10847969), (11, 1972358), (22, 986179), (251, 86438), (502, 43219), (2761, 7858), (3929, 5522)]