21043460180

素因数分解:

$2^2\times 5^1\times {\mathrm{95713}}^1\times {\mathrm{10993}}^1$

素因数の和:106715

約数の個数: 24

約数和(自身を含む): 44195748072

約数和(自身を除く): 23152287892

約数列:

[1, 2, 4, 5, 10, 20, 10993, 21986, 43972, 54965, 95713, 109930, 191426, 219860, 382852, 478565, 957130, 1914260, 1052173009, 2104346018, 4208692036, 5260865045, 10521730090, 21043460180]

約数ペア:

[(1, 21043460180), (2, 10521730090), (4, 5260865045), (5, 4208692036), (10, 2104346018), (20, 1052173009), (10993, 1914260), (21986, 957130), (43972, 478565), (54965, 382852), (95713, 219860), (109930, 191426)]