20211370295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{21881}}^1\times {\mathrm{10867}}^1$

素因数の和:32770

約数の個数: 16

約数和(自身を含む): 25683866208

約数和(自身を除く): 5472495913

約数列:

[1, 5, 17, 85, 10867, 21881, 54335, 109405, 184739, 371977, 923695, 1859885, 237780827, 1188904135, 4042274059, 20211370295]

約数ペア:

[(1, 20211370295), (5, 4042274059), (17, 1188904135), (85, 237780827), (10867, 1859885), (21881, 923695), (54335, 371977), (109405, 184739)]