21460247

素因数分解:

${\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1349353

約数列:

[1, 47, 59, 71, 109, 2773, 3337, 4189, 5123, 6431, 7739, 196883, 302257, 363733, 456601, 21460247]

約数ペア:

[(1, 21460247), (47, 456601), (59, 363733), (71, 302257), (109, 196883), (2773, 7739), (3337, 6431), (4189, 5123)]