21104120

素因数分解:

$2^3\times 5^1\times {\mathrm{527603}}^1$

素因数の和:527614

約数の個数: 16

約数和(自身を含む): 47484360

約数和(自身を除く): 26380240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527603, 1055206, 2110412, 2638015, 4220824, 5276030, 10552060, 21104120]

約数ペア:

[(1, 21104120), (2, 10552060), (4, 5276030), (5, 4220824), (8, 2638015), (10, 2110412), (20, 1055206), (40, 527603)]