21823004

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5689}}^1$

素因数の和:5837

約数の個数: 24

約数和(自身を含む): 43972320

約数和(自身を除く): 22149316

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5689, 11378, 22756, 39823, 79646, 159292, 779393, 1558786, 3117572, 5455751, 10911502, 21823004]

約数ペア:

[(1, 21823004), (2, 10911502), (4, 5455751), (7, 3117572), (14, 1558786), (28, 779393), (137, 159292), (274, 79646), (548, 39823), (959, 22756), (1918, 11378), (3836, 5689)]