21892514

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1902

約数の個数: 24

約数和(自身を含む): 38522880

約数和(自身を除く): 16630366

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1759, 1778, 3518, 6223, 12313, 12446, 24626, 86191, 172382, 223393, 446786, 1563751, 3127502, 10946257, 21892514]

約数ペア:

[(1, 21892514), (2, 10946257), (7, 3127502), (14, 1563751), (49, 446786), (98, 223393), (127, 172382), (254, 86191), (889, 24626), (1759, 12446), (1778, 12313), (3518, 6223)]