21754893

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 29851200

約数和(自身を除く): 8096307

約数列:

[1, 3, 59, 89, 177, 267, 1381, 4143, 5251, 15753, 81479, 122909, 244437, 368727, 7251631, 21754893]

約数ペア:

[(1, 21754893), (3, 7251631), (59, 368727), (89, 244437), (177, 122909), (267, 81479), (1381, 15753), (4143, 5251)]