21761446

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 16600154

約数列:

[1, 2, 7, 14, 73, 107, 146, 199, 214, 398, 511, 749, 1022, 1393, 1498, 2786, 7811, 14527, 15622, 21293, 29054, 42586, 54677, 101689, 109354, 149051, 203378, 298102, 1554389, 3108778, 10880723, 21761446]

約数ペア:

[(1, 21761446), (2, 10880723), (7, 3108778), (14, 1554389), (73, 298102), (107, 203378), (146, 149051), (199, 109354), (214, 101689), (398, 54677), (511, 42586), (749, 29054), (1022, 21293), (1393, 15622), (1498, 14527), (2786, 7811)]