21777704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209401}}^1$

素因数の和:209420

約数の個数: 16

約数和(自身を含む): 43974420

約数和(自身を除く): 22196716

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209401, 418802, 837604, 1675208, 2722213, 5444426, 10888852, 21777704]

約数ペア:

[(1, 21777704), (2, 10888852), (4, 5444426), (8, 2722213), (13, 1675208), (26, 837604), (52, 418802), (104, 209401)]