21339476

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2695

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 17851564

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2591, 4118, 5182, 8236, 10364, 75139, 150278, 183961, 300556, 367922, 735844, 5334869, 10669738, 21339476]

約数ペア:

[(1, 21339476), (2, 10669738), (4, 5334869), (29, 735844), (58, 367922), (71, 300556), (116, 183961), (142, 150278), (284, 75139), (2059, 10364), (2591, 8236), (4118, 5182)]