21007952

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1753}}^1$

素因数の和:1875

約数の個数: 40

約数和(自身を含む): 46979136

約数和(自身を除く): 25971184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 1753, 2996, 3506, 5992, 7012, 11984, 12271, 14024, 24542, 28048, 49084, 98168, 187571, 196336, 375142, 750284, 1312997, 1500568, 2625994, 3001136, 5251988, 10503976, 21007952]

約数ペア:

[(1, 21007952), (2, 10503976), (4, 5251988), (7, 3001136), (8, 2625994), (14, 1500568), (16, 1312997), (28, 750284), (56, 375142), (107, 196336), (112, 187571), (214, 98168), (428, 49084), (749, 28048), (856, 24542), (1498, 14024), (1712, 12271), (1753, 11984), (2996, 7012), (3506, 5992)]