21158196

素因数分解:

$2^2\times 3^1\times {\mathrm{1039}}^1\times {\mathrm{1697}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 49445760

約数和(自身を除く): 28287564

約数列:

[1, 2, 3, 4, 6, 12, 1039, 1697, 2078, 3117, 3394, 4156, 5091, 6234, 6788, 10182, 12468, 20364, 1763183, 3526366, 5289549, 7052732, 10579098, 21158196]

約数ペア:

[(1, 21158196), (2, 10579098), (3, 7052732), (4, 5289549), (6, 3526366), (12, 1763183), (1039, 20364), (1697, 12468), (2078, 10182), (3117, 6788), (3394, 6234), (4156, 5091)]