21147190361

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 25261920000

約数和(自身を除く): 4114729639

約数列:

[1, 11, 19, 31, 209, 211, 341, 499, 589, 961, 2321, 4009, 5489, 6479, 6541, 9481, 10571, 15469, 18259, 44099, 71951, 104291, 105289, 124279, 170159, 200849, 202771, 293911, 479539, 1158179, 1367069, 2000491, 2230481, 3233021, 3263959, 3852649, 5274929, 9111241, 22005401, 35903549, 42379139, 62015221, 100223651, 101182729, 682167431, 1113010019, 1922471851, 21147190361]

約数ペア:

[(1, 21147190361), (11, 1922471851), (19, 1113010019), (31, 682167431), (209, 101182729), (211, 100223651), (341, 62015221), (499, 42379139), (589, 35903549), (961, 22005401), (2321, 9111241), (4009, 5274929), (5489, 3852649), (6479, 3263959), (6541, 3233021), (9481, 2230481), (10571, 2000491), (15469, 1367069), (18259, 1158179), (44099, 479539), (71951, 293911), (104291, 202771), (105289, 200849), (124279, 170159)]