21928045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2411}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 28133568

約数和(自身を除く): 6205523

約数列:

[1, 5, 17, 85, 107, 535, 1819, 2411, 9095, 12055, 40987, 204935, 257977, 1289885, 4385609, 21928045]

約数ペア:

[(1, 21928045), (5, 4385609), (17, 1289885), (85, 257977), (107, 204935), (535, 40987), (1819, 12055), (2411, 9095)]