21042298805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1\times {\mathrm{11113}}^1$

素因数の和:11501

約数の個数: 32

約数和(自身を含む): 27847238400

約数和(自身を除く): 6804939595

約数列:

[1, 5, 11, 55, 173, 199, 865, 995, 1903, 2189, 9515, 10945, 11113, 34427, 55565, 122243, 172135, 378697, 611215, 1893485, 1922549, 2211487, 9612745, 11057435, 21148039, 24326357, 105740195, 121631785, 382587251, 1912936255, 4208459761, 21042298805]

約数ペア:

[(1, 21042298805), (5, 4208459761), (11, 1912936255), (55, 382587251), (173, 121631785), (199, 105740195), (865, 24326357), (995, 21148039), (1903, 11057435), (2189, 9612745), (9515, 2211487), (10945, 1922549), (11113, 1893485), (34427, 611215), (55565, 378697), (122243, 172135)]