21756952

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3631}}^1$

素因数の和:3751

約数の個数: 32

約数和(自身を含む): 47070720

約数和(自身を除く): 25313768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3631, 5992, 7262, 14524, 25417, 29048, 50834, 101668, 203336, 388517, 777034, 1554068, 2719619, 3108136, 5439238, 10878476, 21756952]

約数ペア:

[(1, 21756952), (2, 10878476), (4, 5439238), (7, 3108136), (8, 2719619), (14, 1554068), (28, 777034), (56, 388517), (107, 203336), (214, 101668), (428, 50834), (749, 29048), (856, 25417), (1498, 14524), (2996, 7262), (3631, 5992)]