21605834

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 33096840

約数和(自身を除く): 11491006

約数列:

[1, 2, 61, 122, 409, 433, 818, 866, 24949, 26413, 49898, 52826, 177097, 354194, 10802917, 21605834]

約数ペア:

[(1, 21605834), (2, 10802917), (61, 354194), (122, 177097), (409, 52826), (433, 49898), (818, 26413), (866, 24949)]