21889395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44221}}^1$

素因数の和:44243

約数の個数: 24

約数和(自身を含む): 41391792

約数和(自身を除く): 19502397

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44221, 132663, 221105, 397989, 486431, 663315, 1459293, 1989945, 2432155, 4377879, 7296465, 21889395]

約数ペア:

[(1, 21889395), (3, 7296465), (5, 4377879), (9, 2432155), (11, 1989945), (15, 1459293), (33, 663315), (45, 486431), (55, 397989), (99, 221105), (165, 132663), (495, 44221)]