21092199

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 28654560

約数和(自身を除く): 7562361

約数列:

[1, 3, 89, 197, 267, 401, 591, 1203, 17533, 35689, 52599, 78997, 107067, 236991, 7030733, 21092199]

約数ペア:

[(1, 21092199), (3, 7030733), (89, 236991), (197, 107067), (267, 78997), (401, 52599), (591, 35689), (1203, 17533)]