21908096

素因数分解:

$2^7\times 7^3\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 51000000

約数和(自身を除く): 29091904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 499, 686, 784, 896, 998, 1372, 1568, 1996, 2744, 3136, 3493, 3992, 5488, 6272, 6986, 7984, 10976, 13972, 15968, 21952, 24451, 27944, 31936, 43904, 48902, 55888, 63872, 97804, 111776, 171157, 195608, 223552, 342314, 391216, 447104, 684628, 782432, 1369256, 1564864, 2738512, 3129728, 5477024, 10954048, 21908096]

約数ペア:

[(1, 21908096), (2, 10954048), (4, 5477024), (7, 3129728), (8, 2738512), (14, 1564864), (16, 1369256), (28, 782432), (32, 684628), (49, 447104), (56, 391216), (64, 342314), (98, 223552), (112, 195608), (128, 171157), (196, 111776), (224, 97804), (343, 63872), (392, 55888), (448, 48902), (499, 43904), (686, 31936), (784, 27944), (896, 24451), (998, 21952), (1372, 15968), (1568, 13972), (1996, 10976), (2744, 7984), (3136, 6986), (3493, 6272), (3992, 5488)]