21033395

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 25816320

約数和(自身を除く): 4782925

約数列:

[1, 5, 71, 179, 331, 355, 895, 1655, 12709, 23501, 59249, 63545, 117505, 296245, 4206679, 21033395]

約数ペア:

[(1, 21033395), (5, 4206679), (71, 296245), (179, 117505), (331, 63545), (355, 59249), (895, 23501), (1655, 12709)]