21433244

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5507}}^1$

素因数の和:5657

約数の個数: 24

約数和(自身を含む): 43182720

約数和(自身を除く): 21749476

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5507, 11014, 22028, 38549, 77098, 154196, 765473, 1530946, 3061892, 5358311, 10716622, 21433244]

約数ペア:

[(1, 21433244), (2, 10716622), (4, 5358311), (7, 3061892), (14, 1530946), (28, 765473), (139, 154196), (278, 77098), (556, 38549), (973, 22028), (1946, 11014), (3892, 5507)]