21167036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1567}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 40567296

約数和(自身を除く): 19400260

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1567, 3134, 3377, 6268, 6754, 13508, 17237, 34474, 68948, 481069, 962138, 1924276, 5291759, 10583518, 21167036]

約数ペア:

[(1, 21167036), (2, 10583518), (4, 5291759), (11, 1924276), (22, 962138), (44, 481069), (307, 68948), (614, 34474), (1228, 17237), (1567, 13508), (3134, 6754), (3377, 6268)]