21035289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5641}}^1$

素因数の和:5768

約数の個数: 16

約数和(自身を含む): 30873024

約数和(自身を除く): 9837735

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5641, 16923, 62051, 186153, 637433, 1912299, 7011763, 21035289]

約数ペア:

[(1, 21035289), (3, 7011763), (11, 1912299), (33, 637433), (113, 186153), (339, 62051), (1243, 16923), (3729, 5641)]