21569889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38449}}^1$

素因数の和:38480

約数の個数: 16

約数和(自身を含む): 33220800

約数和(自身を除く): 11650911

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38449, 115347, 422939, 653633, 1268817, 1960899, 7189963, 21569889]

約数ペア:

[(1, 21569889), (3, 7189963), (11, 1960899), (17, 1268817), (33, 653633), (51, 422939), (187, 115347), (561, 38449)]