21169215

素因数分解:

$3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{673}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 37851840

約数和(自身を除く): 16682625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 233, 673, 699, 1165, 2019, 2097, 3365, 3495, 6057, 6291, 10095, 10485, 18171, 30285, 31455, 90855, 156809, 470427, 784045, 1411281, 2352135, 4233843, 7056405, 21169215]

約数ペア:

[(1, 21169215), (3, 7056405), (5, 4233843), (9, 2352135), (15, 1411281), (27, 784045), (45, 470427), (135, 156809), (233, 90855), (673, 31455), (699, 30285), (1165, 18171), (2019, 10485), (2097, 10095), (3365, 6291), (3495, 6057)]