21508712445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3031531}}^1$

素因数の和:3031593

約数の個数: 32

約数和(自身を含む): 38415573504

約数和(自身を除く): 16906861059

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 7095, 3031531, 9094593, 15157655, 33346841, 45472965, 100040523, 130355833, 166734205, 391067499, 500202615, 651779165, 1433914163, 1955337495, 4301742489, 7169570815, 21508712445]

約数ペア:

[(1, 21508712445), (3, 7169570815), (5, 4301742489), (11, 1955337495), (15, 1433914163), (33, 651779165), (43, 500202615), (55, 391067499), (129, 166734205), (165, 130355833), (215, 100040523), (473, 45472965), (645, 33346841), (1419, 15157655), (2365, 9094593), (7095, 3031531)]