21383866

素因数分解:

$2^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2713}}^1$

素因数の和:3285

約数の個数: 16

約数和(自身を含む): 36736704

約数和(自身を除く): 15352838

約数列:

[1, 2, 7, 14, 563, 1126, 2713, 3941, 5426, 7882, 18991, 37982, 1527419, 3054838, 10691933, 21383866]

約数ペア:

[(1, 21383866), (2, 10691933), (7, 3054838), (14, 1527419), (563, 37982), (1126, 18991), (2713, 7882), (3941, 5426)]