21692090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2843}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 23356870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2843, 3815, 5686, 7630, 14215, 19901, 28430, 39802, 99505, 199010, 309887, 619774, 1549435, 2169209, 3098870, 4338418, 10846045, 21692090]

約数ペア:

[(1, 21692090), (2, 10846045), (5, 4338418), (7, 3098870), (10, 2169209), (14, 1549435), (35, 619774), (70, 309887), (109, 199010), (218, 99505), (545, 39802), (763, 28430), (1090, 19901), (1526, 14215), (2843, 7630), (3815, 5686)]