21347937

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10733}}^1$

素因数の和:10769

約数の個数: 24

約数和(自身を含む): 35164584

約数和(自身を除く): 13816647

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10733, 32199, 96597, 139529, 182461, 418587, 547383, 1255761, 1642149, 2371993, 7115979, 21347937]

約数ペア:

[(1, 21347937), (3, 7115979), (9, 2371993), (13, 1642149), (17, 1255761), (39, 547383), (51, 418587), (117, 182461), (153, 139529), (221, 96597), (663, 32199), (1989, 10733)]