21595735

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 9692585

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 193, 695, 805, 965, 973, 1351, 3197, 4439, 4865, 6755, 15985, 22195, 22379, 26827, 31073, 111895, 134135, 155365, 187789, 617021, 938945, 3085105, 4319147, 21595735]

約数ペア:

[(1, 21595735), (5, 4319147), (7, 3085105), (23, 938945), (35, 617021), (115, 187789), (139, 155365), (161, 134135), (193, 111895), (695, 31073), (805, 26827), (965, 22379), (973, 22195), (1351, 15985), (3197, 6755), (4439, 4865)]