21878384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124309}}^1$

素因数の和:124328

約数の個数: 20

約数和(自身を含む): 46243320

約数和(自身を除く): 24364936

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124309, 248618, 497236, 994472, 1367399, 1988944, 2734798, 5469596, 10939192, 21878384]

約数ペア:

[(1, 21878384), (2, 10939192), (4, 5469596), (8, 2734798), (11, 1988944), (16, 1367399), (22, 994472), (44, 497236), (88, 248618), (176, 124309)]