21367808

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 88

約数和(自身を含む): 53451264

約数和(自身を除く): 32083456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 271, 308, 352, 448, 512, 542, 616, 704, 896, 1024, 1084, 1232, 1408, 1792, 1897, 2168, 2464, 2816, 2981, 3584, 3794, 4336, 4928, 5632, 5962, 7168, 7588, 8672, 9856, 11264, 11924, 15176, 17344, 19712, 20867, 23848, 30352, 34688, 39424, 41734, 47696, 60704, 69376, 78848, 83468, 95392, 121408, 138752, 166936, 190784, 242816, 277504, 333872, 381568, 485632, 667744, 763136, 971264, 1335488, 1526272, 1942528, 2670976, 3052544, 5341952, 10683904, 21367808]

約数ペア:

[(1, 21367808), (2, 10683904), (4, 5341952), (7, 3052544), (8, 2670976), (11, 1942528), (14, 1526272), (16, 1335488), (22, 971264), (28, 763136), (32, 667744), (44, 485632), (56, 381568), (64, 333872), (77, 277504), (88, 242816), (112, 190784), (128, 166936), (154, 138752), (176, 121408), (224, 95392), (256, 83468), (271, 78848), (308, 69376), (352, 60704), (448, 47696), (512, 41734), (542, 39424), (616, 34688), (704, 30352), (896, 23848), (1024, 20867), (1084, 19712), (1232, 17344), (1408, 15176), (1792, 11924), (1897, 11264), (2168, 9856), (2464, 8672), (2816, 7588), (2981, 7168), (3584, 5962), (3794, 5632), (4336, 4928)]