21819993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32911}}^1$

素因数の和:32944

約数の個数: 16

約数和(自身を含む): 33175296

約数和(自身を除く): 11355303

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 32911, 98733, 427843, 559487, 1283529, 1678461, 7273331, 21819993]

約数ペア:

[(1, 21819993), (3, 7273331), (13, 1678461), (17, 1283529), (39, 559487), (51, 427843), (221, 98733), (663, 32911)]