21513456

素因数分解:

$2^4\times 3^2\times {\mathrm{149399}}^1$

素因数の和:149413

約数の個数: 30

約数和(自身を含む): 60208200

約数和(自身を除く): 38694744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149399, 298798, 448197, 597596, 896394, 1195192, 1344591, 1792788, 2390384, 2689182, 3585576, 5378364, 7171152, 10756728, 21513456]

約数ペア:

[(1, 21513456), (2, 10756728), (3, 7171152), (4, 5378364), (6, 3585576), (8, 2689182), (9, 2390384), (12, 1792788), (16, 1344591), (18, 1195192), (24, 896394), (36, 597596), (48, 448197), (72, 298798), (144, 149399)]