21292060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9767}}^1$

素因数の和:9885

約数の個数: 24

約数和(自身を含む): 45128160

約数和(自身を除く): 23836100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9767, 19534, 39068, 48835, 97670, 195340, 1064603, 2129206, 4258412, 5323015, 10646030, 21292060]

約数ペア:

[(1, 21292060), (2, 10646030), (4, 5323015), (5, 4258412), (10, 2129206), (20, 1064603), (109, 195340), (218, 97670), (436, 48835), (545, 39068), (1090, 19534), (2180, 9767)]