21742734

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278753}}^1$

素因数の和:278771

約数の個数: 16

約数和(自身を含む): 46830672

約数和(自身を除く): 25087938

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278753, 557506, 836259, 1672518, 3623789, 7247578, 10871367, 21742734]

約数ペア:

[(1, 21742734), (2, 10871367), (3, 7247578), (6, 3623789), (13, 1672518), (26, 836259), (39, 557506), (78, 278753)]