21237456

素因数分解:

$2^4\times 3^1\times {\mathrm{442447}}^1$

素因数の和:442458

約数の個数: 20

約数和(自身を含む): 54863552

約数和(自身を除く): 33626096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442447, 884894, 1327341, 1769788, 2654682, 3539576, 5309364, 7079152, 10618728, 21237456]

約数ペア:

[(1, 21237456), (2, 10618728), (3, 7079152), (4, 5309364), (6, 3539576), (8, 2654682), (12, 1769788), (16, 1327341), (24, 884894), (48, 442447)]