21177442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74047}}^1$

素因数の和:74073

約数の個数: 16

約数和(自身を含む): 37320192

約数和(自身を除く): 16142750

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74047, 148094, 814517, 962611, 1629034, 1925222, 10588721, 21177442]

約数ペア:

[(1, 21177442), (2, 10588721), (11, 1925222), (13, 1629034), (22, 962611), (26, 814517), (143, 148094), (286, 74047)]