21162196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{480959}}^1$

素因数の和:480974

約数の個数: 12

約数和(自身を含む): 40400640

約数和(自身を除く): 19238444

約数列:

[1, 2, 4, 11, 22, 44, 480959, 961918, 1923836, 5290549, 10581098, 21162196]

約数ペア:

[(1, 21162196), (2, 10581098), (4, 5290549), (11, 1923836), (22, 961918), (44, 480959)]