21447636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255329}}^1$

素因数の和:255343

約数の個数: 24

約数和(自身を含む): 57193920

約数和(自身を除く): 35746284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255329, 510658, 765987, 1021316, 1531974, 1787303, 3063948, 3574606, 5361909, 7149212, 10723818, 21447636]

約数ペア:

[(1, 21447636), (2, 10723818), (3, 7149212), (4, 5361909), (6, 3574606), (7, 3063948), (12, 1787303), (14, 1531974), (21, 1021316), (28, 765987), (42, 510658), (84, 255329)]