21167295541

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1\times {\mathrm{2069}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 25400390400

約数和(自身を除く): 4233094859

約数列:

[1, 7, 41, 43, 287, 301, 829, 1763, 2069, 5803, 12341, 14483, 33989, 35647, 84829, 88967, 237923, 249529, 593803, 622769, 1461527, 1715201, 3647647, 10230689, 12006407, 25533529, 70323241, 73753643, 492262687, 516275501, 3023899363, 21167295541]

約数ペア:

[(1, 21167295541), (7, 3023899363), (41, 516275501), (43, 492262687), (287, 73753643), (301, 70323241), (829, 25533529), (1763, 12006407), (2069, 10230689), (5803, 3647647), (12341, 1715201), (14483, 1461527), (33989, 622769), (35647, 593803), (84829, 249529), (88967, 237923)]