21735056

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4129}}^1$

素因数の和:4191

約数の個数: 40

約数和(自身を含む): 49163520

約数和(自身を除く): 27428464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 4129, 5264, 8258, 16516, 28903, 33032, 57806, 66064, 115612, 194063, 231224, 388126, 462448, 776252, 1358441, 1552504, 2716882, 3105008, 5433764, 10867528, 21735056]

約数ペア:

[(1, 21735056), (2, 10867528), (4, 5433764), (7, 3105008), (8, 2716882), (14, 1552504), (16, 1358441), (28, 776252), (47, 462448), (56, 388126), (94, 231224), (112, 194063), (188, 115612), (329, 66064), (376, 57806), (658, 33032), (752, 28903), (1316, 16516), (2632, 8258), (4129, 5264)]