21025624

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61121}}^1$

素因数の和:61170

約数の個数: 16

約数和(自身を含む): 40340520

約数和(自身を除く): 19314896

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 61121, 122242, 244484, 488968, 2628203, 5256406, 10512812, 21025624]

約数ペア:

[(1, 21025624), (2, 10512812), (4, 5256406), (8, 2628203), (43, 488968), (86, 244484), (172, 122242), (344, 61121)]