21947013

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5407}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 35433216

約数和(自身を除く): 13486203

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5407, 16221, 48663, 59477, 178431, 221687, 535293, 665061, 1995183, 2438557, 7315671, 21947013]

約数ペア:

[(1, 21947013), (3, 7315671), (9, 2438557), (11, 1995183), (33, 665061), (41, 535293), (99, 221687), (123, 178431), (369, 59477), (451, 48663), (1353, 16221), (4059, 5407)]