121721656

素因数分解:

$2^3\times 7^1\times {\mathrm{2173601}}^1$

素因数の和:2173614

約数の個数: 16

約数和(自身を含む): 260832240

約数和(自身を除く): 139110584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2173601, 4347202, 8694404, 15215207, 17388808, 30430414, 60860828, 121721656]

約数ペア:

[(1, 121721656), (2, 60860828), (4, 30430414), (7, 17388808), (8, 15215207), (14, 8694404), (28, 4347202), (56, 2173601)]