21576621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38461}}^1$

素因数の和:38492

約数の個数: 16

約数和(自身を含む): 33231168

約数和(自身を除く): 11654547

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38461, 115383, 423071, 653837, 1269213, 1961511, 7192207, 21576621]

約数ペア:

[(1, 21576621), (3, 7192207), (11, 1961511), (17, 1269213), (33, 653837), (51, 423071), (187, 115383), (561, 38461)]