21236976

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1214

約数の個数: 60

約数和(自身を含む): 59918040

約数和(自身を除く): 38681064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1061, 1112, 1251, 1668, 2122, 2224, 2502, 3183, 3336, 4244, 5004, 6366, 6672, 8488, 9549, 10008, 12732, 16976, 19098, 20016, 25464, 38196, 50928, 76392, 147479, 152784, 294958, 442437, 589916, 884874, 1179832, 1327311, 1769748, 2359664, 2654622, 3539496, 5309244, 7078992, 10618488, 21236976]

約数ペア:

[(1, 21236976), (2, 10618488), (3, 7078992), (4, 5309244), (6, 3539496), (8, 2654622), (9, 2359664), (12, 1769748), (16, 1327311), (18, 1179832), (24, 884874), (36, 589916), (48, 442437), (72, 294958), (139, 152784), (144, 147479), (278, 76392), (417, 50928), (556, 38196), (834, 25464), (1061, 20016), (1112, 19098), (1251, 16976), (1668, 12732), (2122, 10008), (2224, 9549), (2502, 8488), (3183, 6672), (3336, 6366), (4244, 5004)]