16905756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 45296384

約数和(自身を除く): 28390628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 313, 626, 643, 939, 1252, 1286, 1878, 1929, 2191, 2572, 3756, 3858, 4382, 4501, 6573, 7716, 8764, 9002, 13146, 13503, 18004, 26292, 27006, 54012, 201259, 402518, 603777, 805036, 1207554, 1408813, 2415108, 2817626, 4226439, 5635252, 8452878, 16905756]

約数ペア:

[(1, 16905756), (2, 8452878), (3, 5635252), (4, 4226439), (6, 2817626), (7, 2415108), (12, 1408813), (14, 1207554), (21, 805036), (28, 603777), (42, 402518), (84, 201259), (313, 54012), (626, 27006), (643, 26292), (939, 18004), (1252, 13503), (1286, 13146), (1878, 9002), (1929, 8764), (2191, 7716), (2572, 6573), (3756, 4501), (3858, 4382)]