21845656

素因数分解:

$2^3\times 7^1\times {\mathrm{390101}}^1$

素因数の和:390114

約数の個数: 16

約数和(自身を含む): 46812240

約数和(自身を除く): 24966584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 390101, 780202, 1560404, 2730707, 3120808, 5461414, 10922828, 21845656]

約数ペア:

[(1, 21845656), (2, 10922828), (4, 5461414), (7, 3120808), (8, 2730707), (14, 1560404), (28, 780202), (56, 390101)]