21242606

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 18708754

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 271, 509, 542, 1018, 1897, 2981, 3563, 3794, 5599, 5962, 7126, 11198, 20867, 39193, 41734, 78386, 137939, 275878, 965573, 1517329, 1931146, 3034658, 10621303, 21242606]

約数ペア:

[(1, 21242606), (2, 10621303), (7, 3034658), (11, 1931146), (14, 1517329), (22, 965573), (77, 275878), (154, 137939), (271, 78386), (509, 41734), (542, 39193), (1018, 20867), (1897, 11198), (2981, 7126), (3563, 5962), (3794, 5599)]