21485893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{433}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 25373376

約数和(自身を除く): 3887483

約数列:

[1, 11, 13, 143, 347, 433, 3817, 4511, 4763, 5629, 49621, 61919, 150251, 1652761, 1953263, 21485893]

約数ペア:

[(1, 21485893), (11, 1953263), (13, 1652761), (143, 150251), (347, 61919), (433, 49621), (3817, 5629), (4511, 4763)]