21669697

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 3904703

約数列:

[1, 7, 59, 71, 413, 497, 739, 4189, 5173, 29323, 43601, 52469, 305207, 367283, 3095671, 21669697]

約数ペア:

[(1, 21669697), (7, 3095671), (59, 367283), (71, 305207), (413, 52469), (497, 43601), (739, 29323), (4189, 5173)]