2021222588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{21101}}^1$

素因数の和:21434

約数の個数: 48

約数和(自身を含む): 4424329728

約数和(自身を除く): 2403107140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 311, 622, 1244, 2177, 3421, 4354, 6842, 8708, 13684, 21101, 23947, 42202, 47894, 84404, 95788, 147707, 232111, 295414, 464222, 590828, 928444, 1624777, 3249554, 6499108, 6562411, 13124822, 26249644, 45936877, 72186521, 91873754, 144373042, 183747508, 288746084, 505305647, 1010611294, 2021222588]

約数ペア:

[(1, 2021222588), (2, 1010611294), (4, 505305647), (7, 288746084), (11, 183747508), (14, 144373042), (22, 91873754), (28, 72186521), (44, 45936877), (77, 26249644), (154, 13124822), (308, 6562411), (311, 6499108), (622, 3249554), (1244, 1624777), (2177, 928444), (3421, 590828), (4354, 464222), (6842, 295414), (8708, 232111), (13684, 147707), (21101, 95788), (23947, 84404), (42202, 47894)]