21574869

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4679}}^1$

素因数の和:4764

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 8751531

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4611, 4679, 14037, 135691, 247987, 407073, 743961, 7191623, 21574869]

約数ペア:

[(1, 21574869), (3, 7191623), (29, 743961), (53, 407073), (87, 247987), (159, 135691), (1537, 14037), (4611, 4679)]