21481035

素因数分解:

$3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4127}}^1$

素因数の和:4482

約数の個数: 16

約数和(自身を含む): 34477056

約数和(自身を除く): 12996021

約数列:

[1, 3, 5, 15, 347, 1041, 1735, 4127, 5205, 12381, 20635, 61905, 1432069, 4296207, 7160345, 21481035]

約数ペア:

[(1, 21481035), (3, 7160345), (5, 4296207), (15, 1432069), (347, 61905), (1041, 20635), (1735, 12381), (4127, 5205)]