21582211

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1$

素因数の和:3690

約数の個数: 16

約数和(自身を含む): 26440704

約数和(自身を除く): 4858493

約数列:

[1, 7, 23, 37, 161, 259, 851, 3623, 5957, 25361, 83329, 134051, 583303, 938357, 3083173, 21582211]

約数ペア:

[(1, 21582211), (7, 3083173), (23, 938357), (37, 583303), (161, 134051), (259, 83329), (851, 25361), (3623, 5957)]