21063966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 32020194

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 127, 154, 231, 254, 359, 381, 462, 718, 762, 889, 1077, 1397, 1778, 2154, 2513, 2667, 2794, 3949, 4191, 5026, 5334, 7539, 7898, 8382, 9779, 11847, 15078, 19558, 23694, 27643, 29337, 45593, 55286, 58674, 82929, 91186, 136779, 165858, 273558, 319151, 501523, 638302, 957453, 1003046, 1504569, 1914906, 3009138, 3510661, 7021322, 10531983, 21063966]

約数ペア:

[(1, 21063966), (2, 10531983), (3, 7021322), (6, 3510661), (7, 3009138), (11, 1914906), (14, 1504569), (21, 1003046), (22, 957453), (33, 638302), (42, 501523), (66, 319151), (77, 273558), (127, 165858), (154, 136779), (231, 91186), (254, 82929), (359, 58674), (381, 55286), (462, 45593), (718, 29337), (762, 27643), (889, 23694), (1077, 19558), (1397, 15078), (1778, 11847), (2154, 9779), (2513, 8382), (2667, 7898), (2794, 7539), (3949, 5334), (4191, 5026)]