21381569462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{63743}}^1$

素因数の和:64028

約数の個数: 32

約数和(自身を含む): 35615047680

約数和(自身を除く): 14233478218

約数列:

[1, 2, 11, 22, 79, 158, 193, 386, 869, 1738, 2123, 4246, 15247, 30494, 63743, 127486, 167717, 335434, 701173, 1402346, 5035697, 10071394, 12302399, 24604798, 55392667, 110785334, 135326389, 270652778, 971889521, 1943779042, 10690784731, 21381569462]

約数ペア:

[(1, 21381569462), (2, 10690784731), (11, 1943779042), (22, 971889521), (79, 270652778), (158, 135326389), (193, 110785334), (386, 55392667), (869, 24604798), (1738, 12302399), (2123, 10071394), (4246, 5035697), (15247, 1402346), (30494, 701173), (63743, 335434), (127486, 167717)]