21138045379

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1\times {\mathrm{12421}}^1$

素因数の和:14682

約数の個数: 16

約数和(自身を含む): 23397085440

約数和(自身を除く): 2259040061

約数列:

[1, 11, 71, 781, 2179, 12421, 23969, 136631, 154709, 881891, 1701799, 9700801, 27065359, 297718949, 1921640489, 21138045379]

約数ペア:

[(1, 21138045379), (11, 1921640489), (71, 297718949), (781, 27065359), (2179, 9700801), (12421, 1701799), (23969, 881891), (136631, 154709)]