21021456

素因数分解:

$2^4\times 3^1\times {\mathrm{437947}}^1$

素因数の和:437958

約数の個数: 20

約数和(自身を含む): 54305552

約数和(自身を除く): 33284096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437947, 875894, 1313841, 1751788, 2627682, 3503576, 5255364, 7007152, 10510728, 21021456]

約数ペア:

[(1, 21021456), (2, 10510728), (3, 7007152), (4, 5255364), (6, 3503576), (8, 2627682), (12, 1751788), (16, 1313841), (24, 875894), (48, 437947)]