21497304240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29857367}}^1$

素因数の和:29857386

約数の個数: 60

約数和(自身を含む): 72195115824

約数和(自身を除く): 50697811584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29857367, 59714734, 89572101, 119429468, 149286835, 179144202, 238858936, 268716303, 298573670, 358288404, 447860505, 477717872, 537432606, 597147340, 716576808, 895721010, 1074865212, 1194294680, 1343581515, 1433153616, 1791442020, 2149730424, 2388589360, 2687163030, 3582884040, 4299460848, 5374326060, 7165768080, 10748652120, 21497304240]

約数ペア:

[(1, 21497304240), (2, 10748652120), (3, 7165768080), (4, 5374326060), (5, 4299460848), (6, 3582884040), (8, 2687163030), (9, 2388589360), (10, 2149730424), (12, 1791442020), (15, 1433153616), (16, 1343581515), (18, 1194294680), (20, 1074865212), (24, 895721010), (30, 716576808), (36, 597147340), (40, 537432606), (45, 477717872), (48, 447860505), (60, 358288404), (72, 298573670), (80, 268716303), (90, 238858936), (120, 179144202), (144, 149286835), (180, 119429468), (240, 89572101), (360, 59714734), (720, 29857367)]