21741345

素因数分解:

$3^3\times 5^1\times {\mathrm{161047}}^1$

素因数の和:161061

約数の個数: 16

約数和(自身を含む): 38651520

約数和(自身を除く): 16910175

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 161047, 483141, 805235, 1449423, 2415705, 4348269, 7247115, 21741345]

約数ペア:

[(1, 21741345), (3, 7247115), (5, 4348269), (9, 2415705), (15, 1449423), (27, 805235), (45, 483141), (135, 161047)]