21699272

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{863}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 24956728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 863, 898, 1726, 1796, 3143, 3452, 3592, 6041, 6286, 6904, 12082, 12572, 24164, 25144, 48328, 387487, 774974, 1549948, 2712409, 3099896, 5424818, 10849636, 21699272]

約数ペア:

[(1, 21699272), (2, 10849636), (4, 5424818), (7, 3099896), (8, 2712409), (14, 1549948), (28, 774974), (56, 387487), (449, 48328), (863, 25144), (898, 24164), (1726, 12572), (1796, 12082), (3143, 6904), (3452, 6286), (3592, 6041)]