21438228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255217}}^1$

素因数の和:255231

約数の個数: 24

約数和(自身を含む): 57168832

約数和(自身を除く): 35730604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255217, 510434, 765651, 1020868, 1531302, 1786519, 3062604, 3573038, 5359557, 7146076, 10719114, 21438228]

約数ペア:

[(1, 21438228), (2, 10719114), (3, 7146076), (4, 5359557), (6, 3573038), (7, 3062604), (12, 1786519), (14, 1531302), (21, 1020868), (28, 765651), (42, 510434), (84, 255217)]