21459878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1607}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 35195904

約数和(自身を除く): 13736026

約数列:

[1, 2, 11, 22, 607, 1214, 1607, 3214, 6677, 13354, 17677, 35354, 975449, 1950898, 10729939, 21459878]

約数ペア:

[(1, 21459878), (2, 10729939), (11, 1950898), (22, 975449), (607, 35354), (1214, 17677), (1607, 13354), (3214, 6677)]