21780291291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1\times {\mathrm{7603}}^1$

素因数の和:9511

約数の個数: 32

約数和(自身を含む): 32376250368

約数和(自身を除く): 10595959077

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 1847, 5541, 7603, 20317, 22809, 60951, 83633, 86809, 250899, 260427, 357341, 954899, 1072023, 2864697, 3930751, 11792253, 14042741, 42128223, 154470151, 463410453, 660008827, 1980026481, 7260097097, 21780291291]

約数ペア:

[(1, 21780291291), (3, 7260097097), (11, 1980026481), (33, 660008827), (47, 463410453), (141, 154470151), (517, 42128223), (1551, 14042741), (1847, 11792253), (5541, 3930751), (7603, 2864697), (20317, 1072023), (22809, 954899), (60951, 357341), (83633, 260427), (86809, 250899)]