21078702

素因数分解:

$2^1\times 3^2\times {\mathrm{1171039}}^1$

素因数の和:1171047

約数の個数: 12

約数和(自身を含む): 45670560

約数和(自身を除く): 24591858

約数列:

[1, 2, 3, 6, 9, 18, 1171039, 2342078, 3513117, 7026234, 10539351, 21078702]

約数ペア:

[(1, 21078702), (2, 10539351), (3, 7026234), (6, 3513117), (9, 2342078), (18, 1171039)]