21275718

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49943}}^1$

素因数の和:50019

約数の個数: 16

約数和(自身を含む): 43151616

約数和(自身を除く): 21875898

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49943, 99886, 149829, 299658, 3545953, 7091906, 10637859, 21275718]

約数ペア:

[(1, 21275718), (2, 10637859), (3, 7091906), (6, 3545953), (71, 299658), (142, 149829), (213, 99886), (426, 49943)]