21891562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12923}}^1$

素因数の和:12954

約数の個数: 24

約数和(自身を含む): 41253408

約数和(自身を除く): 19361846

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12923, 25846, 90461, 142153, 180922, 284306, 995071, 1563683, 1990142, 3127366, 10945781, 21891562]

約数ペア:

[(1, 21891562), (2, 10945781), (7, 3127366), (11, 1990142), (14, 1563683), (22, 995071), (77, 284306), (121, 180922), (154, 142153), (242, 90461), (847, 25846), (1694, 12923)]