21852005

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1483}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 30059904

約数和(自身を除く): 8207899

約数列:

[1, 5, 7, 35, 421, 1483, 2105, 2947, 7415, 10381, 14735, 51905, 624343, 3121715, 4370401, 21852005]

約数ペア:

[(1, 21852005), (5, 4370401), (7, 3121715), (35, 624343), (421, 51905), (1483, 14735), (2105, 10381), (2947, 7415)]