21830030

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17189}}^1$

素因数の和:17323

約数の個数: 16

約数和(自身を含む): 39605760

約数和(自身を除く): 17775730

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 17189, 34378, 85945, 171890, 2183003, 4366006, 10915015, 21830030]

約数ペア:

[(1, 21830030), (2, 10915015), (5, 4366006), (10, 2183003), (127, 171890), (254, 85945), (635, 34378), (1270, 17189)]