21415161

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4136

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 8522439

約数列:

[1, 3, 41, 43, 123, 129, 1763, 4049, 5289, 12147, 166009, 174107, 498027, 522321, 7138387, 21415161]

約数ペア:

[(1, 21415161), (3, 7138387), (41, 522321), (43, 498027), (123, 174107), (129, 166009), (1763, 12147), (4049, 5289)]