21035148

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12611}}^1$

素因数の和:12757

約数の個数: 24

約数和(自身を含む): 49439040

約数和(自身を除く): 28403892

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12611, 25222, 37833, 50444, 75666, 151332, 1752929, 3505858, 5258787, 7011716, 10517574, 21035148]

約数ペア:

[(1, 21035148), (2, 10517574), (3, 7011716), (4, 5258787), (6, 3505858), (12, 1752929), (139, 151332), (278, 75666), (417, 50444), (556, 37833), (834, 25222), (1668, 12611)]