21311224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242173}}^1$

素因数の和:242190

約数の個数: 16

約数和(自身を含む): 43591320

約数和(自身を除く): 22280096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242173, 484346, 968692, 1937384, 2663903, 5327806, 10655612, 21311224]

約数ペア:

[(1, 21311224), (2, 10655612), (4, 5327806), (8, 2663903), (11, 1937384), (22, 968692), (44, 484346), (88, 242173)]