21969942

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9413}}^1$

素因数の和:9807

約数の個数: 16

約数和(自身を含む): 44057520

約数和(自身を除く): 22087578

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9413, 18826, 28239, 56478, 3661657, 7323314, 10984971, 21969942]

約数ペア:

[(1, 21969942), (2, 10984971), (3, 7323314), (6, 3661657), (389, 56478), (778, 28239), (1167, 18826), (2334, 9413)]