21417676

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5503}}^1$

素因数の和:5653

約数の個数: 24

約数和(自身を含む): 43151360

約数和(自身を除く): 21733684

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5503, 11006, 22012, 38521, 77042, 154084, 764917, 1529834, 3059668, 5354419, 10708838, 21417676]

約数ペア:

[(1, 21417676), (2, 10708838), (4, 5354419), (7, 3059668), (14, 1529834), (28, 764917), (139, 154084), (278, 77042), (556, 38521), (973, 22012), (1946, 11006), (3892, 5503)]