21069064

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18947}}^1$

素因数の和:19092

約数の個数: 16

約数和(自身を含む): 39790800

約数和(自身を除く): 18721736

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18947, 37894, 75788, 151576, 2633633, 5267266, 10534532, 21069064]

約数ペア:

[(1, 21069064), (2, 10534532), (4, 5267266), (8, 2633633), (139, 151576), (278, 75788), (556, 37894), (1112, 18947)]