21152628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83939}}^1$

素因数の和:83956

約数の個数: 36

約数和(自身を含む): 61108320

約数和(自身を除く): 39955692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83939, 167878, 251817, 335756, 503634, 587573, 755451, 1007268, 1175146, 1510902, 1762719, 2350292, 3021804, 3525438, 5288157, 7050876, 10576314, 21152628]

約数ペア:

[(1, 21152628), (2, 10576314), (3, 7050876), (4, 5288157), (6, 3525438), (7, 3021804), (9, 2350292), (12, 1762719), (14, 1510902), (18, 1175146), (21, 1007268), (28, 755451), (36, 587573), (42, 503634), (63, 335756), (84, 251817), (126, 167878), (252, 83939)]