21709416

素因数分解:

$2^3\times 3^1\times {\mathrm{904559}}^1$

素因数の和:904568

約数の個数: 16

約数和(自身を含む): 54273600

約数和(自身を除く): 32564184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 904559, 1809118, 2713677, 3618236, 5427354, 7236472, 10854708, 21709416]

約数ペア:

[(1, 21709416), (2, 10854708), (3, 7236472), (4, 5427354), (6, 3618236), (8, 2713677), (12, 1809118), (24, 904559)]