21219230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124819}}^1$

素因数の和:124843

約数の個数: 16

約数和(自身を含む): 40441680

約数和(自身を除く): 19222450

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124819, 249638, 624095, 1248190, 2121923, 4243846, 10609615, 21219230]

約数ペア:

[(1, 21219230), (2, 10609615), (5, 4243846), (10, 2121923), (17, 1248190), (34, 624095), (85, 249638), (170, 124819)]