21453016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{206279}}^1$

素因数の和:206298

約数の個数: 16

約数和(自身を含む): 43318800

約数和(自身を除く): 21865784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 206279, 412558, 825116, 1650232, 2681627, 5363254, 10726508, 21453016]

約数ペア:

[(1, 21453016), (2, 10726508), (4, 5363254), (8, 2681627), (13, 1650232), (26, 825116), (52, 412558), (104, 206279)]