21105850

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2833}}^1$

素因数の和:2994

約数の個数: 24

約数和(自身を含む): 39534300

約数和(自身を除く): 18428450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2833, 3725, 5666, 7450, 14165, 28330, 70825, 141650, 422117, 844234, 2110585, 4221170, 10552925, 21105850]

約数ペア:

[(1, 21105850), (2, 10552925), (5, 4221170), (10, 2110585), (25, 844234), (50, 422117), (149, 141650), (298, 70825), (745, 28330), (1490, 14165), (2833, 7450), (3725, 5666)]