2118291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5309}}^1$

素因数の和:5338

約数の個数: 16

約数和(自身を含む): 3398400

約数和(自身を除く): 1280109

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5309, 15927, 37163, 100871, 111489, 302613, 706097, 2118291]

約数ペア:

[(1, 2118291), (3, 706097), (7, 302613), (19, 111489), (21, 100871), (57, 37163), (133, 15927), (399, 5309)]