21094178

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 17454046

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 263, 337, 526, 674, 1841, 2359, 3682, 4471, 4718, 5729, 8942, 11458, 31297, 40103, 62594, 80206, 88631, 177262, 620417, 1240834, 1506727, 3013454, 10547089, 21094178]

約数ペア:

[(1, 21094178), (2, 10547089), (7, 3013454), (14, 1506727), (17, 1240834), (34, 620417), (119, 177262), (238, 88631), (263, 80206), (337, 62594), (526, 40103), (674, 31297), (1841, 11458), (2359, 8942), (3682, 5729), (4471, 4718)]