21283977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49613}}^1$

素因数の和:49640

約数の個数: 16

約数和(自身を含む): 33340608

約数和(自身を除く): 12056631

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49613, 148839, 545743, 644969, 1637229, 1934907, 7094659, 21283977]

約数ペア:

[(1, 21283977), (3, 7094659), (11, 1934907), (13, 1637229), (33, 644969), (39, 545743), (143, 148839), (429, 49613)]