21289548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253447}}^1$

素因数の和:253461

約数の個数: 24

約数和(自身を含む): 56772352

約数和(自身を除く): 35482804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253447, 506894, 760341, 1013788, 1520682, 1774129, 3041364, 3548258, 5322387, 7096516, 10644774, 21289548]

約数ペア:

[(1, 21289548), (2, 10644774), (3, 7096516), (4, 5322387), (6, 3548258), (7, 3041364), (12, 1774129), (14, 1520682), (21, 1013788), (28, 760341), (42, 506894), (84, 253447)]