21950215

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11833}}^1$

素因数の和:11898

約数の個数: 16

約数和(自身を含む): 30673728

約数和(自身を除く): 8723513

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 11833, 59165, 82831, 414155, 627149, 3135745, 4390043, 21950215]

約数ペア:

[(1, 21950215), (5, 4390043), (7, 3135745), (35, 627149), (53, 414155), (265, 82831), (371, 59165), (1855, 11833)]