21110726

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 39240768

約数和(自身を除く): 18130042

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 193, 386, 601, 1202, 1351, 2509, 2702, 4207, 5018, 7813, 8414, 15626, 17563, 35126, 54691, 109382, 115993, 231986, 811951, 1507909, 1623902, 3015818, 10555363, 21110726]

約数ペア:

[(1, 21110726), (2, 10555363), (7, 3015818), (13, 1623902), (14, 1507909), (26, 811951), (91, 231986), (182, 115993), (193, 109382), (386, 54691), (601, 35126), (1202, 17563), (1351, 15626), (2509, 8414), (2702, 7813), (4207, 5018)]