21753699

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28661}}^1$

素因数の和:28698

約数の個数: 16

約数和(自身を含む): 33018624

約数和(自身を除く): 11264925

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28661, 85983, 315271, 659203, 945813, 1977609, 7251233, 21753699]

約数ペア:

[(1, 21753699), (3, 7251233), (11, 1977609), (23, 945813), (33, 659203), (69, 315271), (253, 85983), (759, 28661)]