21283590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709453}}^1$

素因数の和:709463

約数の個数: 16

約数和(自身を含む): 51080688

約数和(自身を除く): 29797098

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709453, 1418906, 2128359, 3547265, 4256718, 7094530, 10641795, 21283590]

約数ペア:

[(1, 21283590), (2, 10641795), (3, 7094530), (5, 4256718), (6, 3547265), (10, 2128359), (15, 1418906), (30, 709453)]