21167365356

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{79813}}^1$

素因数の和:80015

約数の個数: 72

約数和(自身を含む): 54908839440

約数和(自身を除く): 33741474084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 139, 159, 212, 278, 318, 417, 477, 556, 636, 834, 954, 1251, 1668, 1908, 2502, 5004, 7367, 14734, 22101, 29468, 44202, 66303, 79813, 88404, 132606, 159626, 239439, 265212, 319252, 478878, 718317, 957756, 1436634, 2873268, 4230089, 8460178, 11094007, 12690267, 16920356, 22188014, 25380534, 33282021, 38070801, 44376028, 50761068, 66564042, 76141602, 99846063, 133128084, 152283204, 199692126, 399384252, 587982371, 1175964742, 1763947113, 2351929484, 3527894226, 5291841339, 7055788452, 10583682678, 21167365356]

約数ペア:

[(1, 21167365356), (2, 10583682678), (3, 7055788452), (4, 5291841339), (6, 3527894226), (9, 2351929484), (12, 1763947113), (18, 1175964742), (36, 587982371), (53, 399384252), (106, 199692126), (139, 152283204), (159, 133128084), (212, 99846063), (278, 76141602), (318, 66564042), (417, 50761068), (477, 44376028), (556, 38070801), (636, 33282021), (834, 25380534), (954, 22188014), (1251, 16920356), (1668, 12690267), (1908, 11094007), (2502, 8460178), (5004, 4230089), (7367, 2873268), (14734, 1436634), (22101, 957756), (29468, 718317), (44202, 478878), (66303, 319252), (79813, 265212), (88404, 239439), (132606, 159626)]