21957656

素因数分解:

$2^3\times 7^1\times {\mathrm{392101}}^1$

素因数の和:392114

約数の個数: 16

約数和(自身を含む): 47052240

約数和(自身を除く): 25094584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 392101, 784202, 1568404, 2744707, 3136808, 5489414, 10978828, 21957656]

約数ペア:

[(1, 21957656), (2, 10978828), (4, 5489414), (7, 3136808), (8, 2744707), (14, 1568404), (28, 784202), (56, 392101)]