21897394

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 36205056

約数和(自身を除く): 14307662

約数列:

[1, 2, 17, 34, 47, 71, 94, 142, 193, 386, 799, 1207, 1598, 2414, 3281, 3337, 6562, 6674, 9071, 13703, 18142, 27406, 56729, 113458, 154207, 232951, 308414, 465902, 644041, 1288082, 10948697, 21897394]

約数ペア:

[(1, 21897394), (2, 10948697), (17, 1288082), (34, 644041), (47, 465902), (71, 308414), (94, 232951), (142, 154207), (193, 113458), (386, 56729), (799, 27406), (1207, 18142), (1598, 13703), (2414, 9071), (3281, 6674), (3337, 6562)]