21880485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44203}}^1$

素因数の和:44225

約数の個数: 24

約数和(自身を含む): 41374944

約数和(自身を除く): 19494459

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44203, 132609, 221015, 397827, 486233, 663045, 1458699, 1989135, 2431165, 4376097, 7293495, 21880485]

約数ペア:

[(1, 21880485), (3, 7293495), (5, 4376097), (9, 2431165), (11, 1989135), (15, 1458699), (33, 663045), (45, 486233), (55, 397827), (99, 221015), (165, 132609), (495, 44203)]