21232677

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{911}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 30074112

約数和(自身を除く): 8841435

約数列:

[1, 3, 17, 51, 457, 911, 1371, 2733, 7769, 15487, 23307, 46461, 416327, 1248981, 7077559, 21232677]

約数ペア:

[(1, 21232677), (3, 7077559), (17, 1248981), (51, 416327), (457, 46461), (911, 23307), (1371, 15487), (2733, 7769)]