2109221788

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{1252507}}^1$

素因数の和:1252932

約数の個数: 12

約数和(自身を含む): 3699908632

約数和(自身を除く): 1590686844

約数列:

[1, 2, 4, 421, 842, 1684, 1252507, 2505014, 5010028, 527305447, 1054610894, 2109221788]

約数ペア:

[(1, 2109221788), (2, 1054610894), (4, 527305447), (421, 5010028), (842, 2505014), (1684, 1252507)]