26881638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{640039}}^1$

素因数の和:640051

約数の個数: 16

約数和(自身を含む): 61443840

約数和(自身を除く): 34562202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 640039, 1280078, 1920117, 3840234, 4480273, 8960546, 13440819, 26881638]

約数ペア:

[(1, 26881638), (2, 13440819), (3, 8960546), (6, 4480273), (7, 3840234), (14, 1920117), (21, 1280078), (42, 640039)]