21791055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10159}}^1$

素因数の和:10191

約数の個数: 32

約数和(自身を含む): 40965120

約数和(自身を除く): 19174065

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 10159, 30477, 50795, 111749, 132067, 152385, 335247, 396201, 558745, 660335, 1452737, 1676235, 1981005, 4358211, 7263685, 21791055]

約数ペア:

[(1, 21791055), (3, 7263685), (5, 4358211), (11, 1981005), (13, 1676235), (15, 1452737), (33, 660335), (39, 558745), (55, 396201), (65, 335247), (143, 152385), (165, 132067), (195, 111749), (429, 50795), (715, 30477), (2145, 10159)]