21545244

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28499}}^1$

素因数の和:28519

約数の個数: 48

約数和(自身を含む): 63840000

約数和(自身を除く): 42294756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28499, 56998, 85497, 113996, 170994, 199493, 256491, 341988, 398986, 512982, 598479, 769473, 797972, 1025964, 1196958, 1538946, 1795437, 2393916, 3077892, 3590874, 5386311, 7181748, 10772622, 21545244]

約数ペア:

[(1, 21545244), (2, 10772622), (3, 7181748), (4, 5386311), (6, 3590874), (7, 3077892), (9, 2393916), (12, 1795437), (14, 1538946), (18, 1196958), (21, 1025964), (27, 797972), (28, 769473), (36, 598479), (42, 512982), (54, 398986), (63, 341988), (84, 256491), (108, 199493), (126, 170994), (189, 113996), (252, 85497), (378, 56998), (756, 28499)]