21178326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271517}}^1$

素因数の和:271535

約数の個数: 16

約数和(自身を含む): 45615024

約数和(自身を除く): 24436698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271517, 543034, 814551, 1629102, 3529721, 7059442, 10589163, 21178326]

約数ペア:

[(1, 21178326), (2, 10589163), (3, 7059442), (6, 3529721), (13, 1629102), (26, 814551), (39, 543034), (78, 271517)]