21359379

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 29008800

約数和(自身を除く): 7649421

約数列:

[1, 3, 101, 157, 303, 449, 471, 1347, 15857, 45349, 47571, 70493, 136047, 211479, 7119793, 21359379]

約数ペア:

[(1, 21359379), (3, 7119793), (101, 211479), (157, 136047), (303, 70493), (449, 47571), (471, 45349), (1347, 15857)]