21951135

素因数分解:

$3^3\times 5^1\times {\mathrm{162601}}^1$

素因数の和:162615

約数の個数: 16

約数和(自身を含む): 39024480

約数和(自身を除く): 17073345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 162601, 487803, 813005, 1463409, 2439015, 4390227, 7317045, 21951135]

約数ペア:

[(1, 21951135), (3, 7317045), (5, 4390227), (9, 2439015), (15, 1463409), (27, 813005), (45, 487803), (135, 162601)]