21070360

素因数分解:

$2^3\times 5^1\times {\mathrm{526759}}^1$

素因数の和:526770

約数の個数: 16

約数和(自身を含む): 47408400

約数和(自身を除く): 26338040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 526759, 1053518, 2107036, 2633795, 4214072, 5267590, 10535180, 21070360]

約数ペア:

[(1, 21070360), (2, 10535180), (4, 5267590), (5, 4214072), (8, 2633795), (10, 2107036), (20, 1053518), (40, 526759)]