16821336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 31562664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 223, 446, 449, 669, 892, 898, 1338, 1347, 1561, 1784, 1796, 2676, 2694, 3122, 3143, 3592, 4683, 5352, 5388, 6244, 6286, 9366, 9429, 10776, 12488, 12572, 18732, 18858, 25144, 37464, 37716, 75432, 100127, 200254, 300381, 400508, 600762, 700889, 801016, 1201524, 1401778, 2102667, 2403048, 2803556, 4205334, 5607112, 8410668, 16821336]

約数ペア:

[(1, 16821336), (2, 8410668), (3, 5607112), (4, 4205334), (6, 2803556), (7, 2403048), (8, 2102667), (12, 1401778), (14, 1201524), (21, 801016), (24, 700889), (28, 600762), (42, 400508), (56, 300381), (84, 200254), (168, 100127), (223, 75432), (446, 37716), (449, 37464), (669, 25144), (892, 18858), (898, 18732), (1338, 12572), (1347, 12488), (1561, 10776), (1784, 9429), (1796, 9366), (2676, 6286), (2694, 6244), (3122, 5388), (3143, 5352), (3592, 4683)]