21041767

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 22980672

約数和(自身を除く): 1938905

約数列:

[1, 17, 61, 103, 197, 1037, 1751, 3349, 6283, 12017, 20291, 106811, 204289, 344947, 1237751, 21041767]

約数ペア:

[(1, 21041767), (17, 1237751), (61, 344947), (103, 204289), (197, 106811), (1037, 20291), (1751, 12017), (3349, 6283)]