21754432

素因数分解:

$2^6\times 7^3\times {\mathrm{991}}^1$

素因数の和:1024

約数の個数: 56

約数和(自身を含む): 50393600

約数和(自身を除く): 28639168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 991, 1372, 1568, 1982, 2744, 3136, 3964, 5488, 6937, 7928, 10976, 13874, 15856, 21952, 27748, 31712, 48559, 55496, 63424, 97118, 110992, 194236, 221984, 339913, 388472, 443968, 679826, 776944, 1359652, 1553888, 2719304, 3107776, 5438608, 10877216, 21754432]

約数ペア:

[(1, 21754432), (2, 10877216), (4, 5438608), (7, 3107776), (8, 2719304), (14, 1553888), (16, 1359652), (28, 776944), (32, 679826), (49, 443968), (56, 388472), (64, 339913), (98, 221984), (112, 194236), (196, 110992), (224, 97118), (343, 63424), (392, 55496), (448, 48559), (686, 31712), (784, 27748), (991, 21952), (1372, 15856), (1568, 13874), (1982, 10976), (2744, 7928), (3136, 6937), (3964, 5488)]