21679224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3060

約数の個数: 64

約数和(自身を含む): 63402240

約数和(自身を除く): 41723016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3001, 3612, 6002, 7224, 9003, 12004, 18006, 21007, 24008, 36012, 42014, 63021, 72024, 84028, 126042, 129043, 168056, 252084, 258086, 387129, 504168, 516172, 774258, 903301, 1032344, 1548516, 1806602, 2709903, 3097032, 3613204, 5419806, 7226408, 10839612, 21679224]

約数ペア:

[(1, 21679224), (2, 10839612), (3, 7226408), (4, 5419806), (6, 3613204), (7, 3097032), (8, 2709903), (12, 1806602), (14, 1548516), (21, 1032344), (24, 903301), (28, 774258), (42, 516172), (43, 504168), (56, 387129), (84, 258086), (86, 252084), (129, 168056), (168, 129043), (172, 126042), (258, 84028), (301, 72024), (344, 63021), (516, 42014), (602, 36012), (903, 24008), (1032, 21007), (1204, 18006), (1806, 12004), (2408, 9003), (3001, 7224), (3612, 6002)]