21266424

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6869}}^1$

素因数の和:6924

約数の個数: 48

約数和(自身を含む): 58944600

約数和(自身を除く): 37678176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6869, 13738, 20607, 27476, 41214, 54952, 61821, 82428, 123642, 164856, 247284, 295367, 494568, 590734, 886101, 1181468, 1772202, 2362936, 2658303, 3544404, 5316606, 7088808, 10633212, 21266424]

約数ペア:

[(1, 21266424), (2, 10633212), (3, 7088808), (4, 5316606), (6, 3544404), (8, 2658303), (9, 2362936), (12, 1772202), (18, 1181468), (24, 886101), (36, 590734), (43, 494568), (72, 295367), (86, 247284), (129, 164856), (172, 123642), (258, 82428), (344, 61821), (387, 54952), (516, 41214), (774, 27476), (1032, 20607), (1548, 13738), (3096, 6869)]