21741496

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 48735000

約数和(自身を除く): 26993504

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1499, 1813, 2072, 2998, 3626, 5996, 7252, 10493, 11992, 14504, 20986, 41972, 55463, 73451, 83944, 110926, 146902, 221852, 293804, 388241, 443704, 587608, 776482, 1552964, 2717687, 3105928, 5435374, 10870748, 21741496]

約数ペア:

[(1, 21741496), (2, 10870748), (4, 5435374), (7, 3105928), (8, 2717687), (14, 1552964), (28, 776482), (37, 587608), (49, 443704), (56, 388241), (74, 293804), (98, 221852), (148, 146902), (196, 110926), (259, 83944), (296, 73451), (392, 55463), (518, 41972), (1036, 20986), (1499, 14504), (1813, 11992), (2072, 10493), (2998, 7252), (3626, 5996)]