21616485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131009}}^1$

素因数の和:131028

約数の個数: 16

約数和(自身を含む): 37730880

約数和(自身を除く): 16114395

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 131009, 393027, 655045, 1441099, 1965135, 4323297, 7205495, 21616485]

約数ペア:

[(1, 21616485), (3, 7205495), (5, 4323297), (11, 1965135), (15, 1441099), (33, 655045), (55, 393027), (165, 131009)]