21707356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1607}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 41602176

約数和(自身を除く): 19894820

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1607, 3214, 3377, 6428, 6754, 13508, 17677, 35354, 70708, 493349, 986698, 1973396, 5426839, 10853678, 21707356]

約数ペア:

[(1, 21707356), (2, 10853678), (4, 5426839), (11, 1973396), (22, 986698), (44, 493349), (307, 70708), (614, 35354), (1228, 17677), (1607, 13508), (3214, 6754), (3377, 6428)]