21279695760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9851711}}^1$

素因数の和:9851733

約数の個数: 80

約数和(自身を含む): 73296737280

約数和(自身を除く): 52017041520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9851711, 19703422, 29555133, 39406844, 49258555, 59110266, 78813688, 88665399, 98517110, 118220532, 147775665, 157627376, 177330798, 197034220, 236441064, 265996197, 295551330, 354661596, 394068440, 443326995, 472882128, 531992394, 591102660, 709323192, 788136880, 886653990, 1063984788, 1182205320, 1329980985, 1418646384, 1773307980, 2127969576, 2364410640, 2659961970, 3546615960, 4255939152, 5319923940, 7093231920, 10639847880, 21279695760]

約数ペア:

[(1, 21279695760), (2, 10639847880), (3, 7093231920), (4, 5319923940), (5, 4255939152), (6, 3546615960), (8, 2659961970), (9, 2364410640), (10, 2127969576), (12, 1773307980), (15, 1418646384), (16, 1329980985), (18, 1182205320), (20, 1063984788), (24, 886653990), (27, 788136880), (30, 709323192), (36, 591102660), (40, 531992394), (45, 472882128), (48, 443326995), (54, 394068440), (60, 354661596), (72, 295551330), (80, 265996197), (90, 236441064), (108, 197034220), (120, 177330798), (135, 157627376), (144, 147775665), (180, 118220532), (216, 98517110), (240, 88665399), (270, 78813688), (360, 59110266), (432, 49258555), (540, 39406844), (720, 29555133), (1080, 19703422), (2160, 9851711)]