21141304

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20173}}^1$

素因数の和:20310

約数の個数: 16

約数和(自身を含む): 39944520

約数和(自身を除く): 18803216

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20173, 40346, 80692, 161384, 2642663, 5285326, 10570652, 21141304]

約数ペア:

[(1, 21141304), (2, 10570652), (4, 5285326), (8, 2642663), (131, 161384), (262, 80692), (524, 40346), (1048, 20173)]