21138852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251653}}^1$

素因数の和:251667

約数の個数: 24

約数和(自身を含む): 56370496

約数和(自身を除く): 35231644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251653, 503306, 754959, 1006612, 1509918, 1761571, 3019836, 3523142, 5284713, 7046284, 10569426, 21138852]

約数ペア:

[(1, 21138852), (2, 10569426), (3, 7046284), (4, 5284713), (6, 3523142), (7, 3019836), (12, 1761571), (14, 1509918), (21, 1006612), (28, 754959), (42, 503306), (84, 251653)]