21294746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13633}}^1$

素因数の和:13717

約数の個数: 16

約数和(自身を含む): 35339328

約数和(自身を除く): 14044582

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13633, 27266, 149963, 299926, 967943, 1935886, 10647373, 21294746]

約数ペア:

[(1, 21294746), (2, 10647373), (11, 1935886), (22, 967943), (71, 299926), (142, 149963), (781, 27266), (1562, 13633)]