21027834

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28493}}^1$

素因数の和:28542

約数の個数: 24

約数和(自身を含む): 46673172

約数和(自身を除く): 25645338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28493, 56986, 85479, 170958, 256437, 512874, 1168213, 2336426, 3504639, 7009278, 10513917, 21027834]

約数ペア:

[(1, 21027834), (2, 10513917), (3, 7009278), (6, 3504639), (9, 2336426), (18, 1168213), (41, 512874), (82, 256437), (123, 170958), (246, 85479), (369, 56986), (738, 28493)]