21155694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503707}}^1$

素因数の和:503719

約数の個数: 16

約数和(自身を含む): 48355968

約数和(自身を除く): 27200274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503707, 1007414, 1511121, 3022242, 3525949, 7051898, 10577847, 21155694]

約数ペア:

[(1, 21155694), (2, 10577847), (3, 7051898), (6, 3525949), (7, 3022242), (14, 1511121), (21, 1007414), (42, 503707)]