21887260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47581}}^1$

素因数の和:47613

約数の個数: 24

約数和(自身を含む): 47962656

約数和(自身を除く): 26075396

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47581, 95162, 190324, 237905, 475810, 951620, 1094363, 2188726, 4377452, 5471815, 10943630, 21887260]

約数ペア:

[(1, 21887260), (2, 10943630), (4, 5471815), (5, 4377452), (10, 2188726), (20, 1094363), (23, 951620), (46, 475810), (92, 237905), (115, 190324), (230, 95162), (460, 47581)]