21828856

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3643}}^1$

素因数の和:3763

約数の個数: 32

約数和(自身を含む): 47226240

約数和(自身を除く): 25397384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3643, 5992, 7286, 14572, 25501, 29144, 51002, 102004, 204008, 389801, 779602, 1559204, 2728607, 3118408, 5457214, 10914428, 21828856]

約数ペア:

[(1, 21828856), (2, 10914428), (4, 5457214), (7, 3118408), (8, 2728607), (14, 1559204), (28, 779602), (56, 389801), (107, 204008), (214, 102004), (428, 51002), (749, 29144), (856, 25501), (1498, 14572), (2996, 7286), (3643, 5992)]