21446032

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9643}}^1$

素因数の和:9790

約数の個数: 20

約数和(自身を含む): 41854960

約数和(自身を除く): 20408928

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9643, 19286, 38572, 77144, 154288, 1340377, 2680754, 5361508, 10723016, 21446032]

約数ペア:

[(1, 21446032), (2, 10723016), (4, 5361508), (8, 2680754), (16, 1340377), (139, 154288), (278, 77144), (556, 38572), (1112, 19286), (2224, 9643)]