21056728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34183}}^1$

素因数の和:34207

約数の個数: 32

約数和(自身を含む): 49224960

約数和(自身を除く): 28168232

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34183, 68366, 136732, 239281, 273464, 376013, 478562, 752026, 957124, 1504052, 1914248, 2632091, 3008104, 5264182, 10528364, 21056728]

約数ペア:

[(1, 21056728), (2, 10528364), (4, 5264182), (7, 3008104), (8, 2632091), (11, 1914248), (14, 1504052), (22, 957124), (28, 752026), (44, 478562), (56, 376013), (77, 273464), (88, 239281), (154, 136732), (308, 68366), (616, 34183)]