21318583

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3467}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 25635456

約数和(自身を除く): 4316873

約数列:

[1, 11, 13, 43, 143, 473, 559, 3467, 6149, 38137, 45071, 149081, 495781, 1639891, 1938053, 21318583]

約数ペア:

[(1, 21318583), (11, 1938053), (13, 1639891), (43, 495781), (143, 149081), (473, 45071), (559, 38137), (3467, 6149)]