21229140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353819}}^1$

素因数の和:353831

約数の個数: 24

約数和(自身を含む): 59441760

約数和(自身を除く): 38212620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353819, 707638, 1061457, 1415276, 1769095, 2122914, 3538190, 4245828, 5307285, 7076380, 10614570, 21229140]

約数ペア:

[(1, 21229140), (2, 10614570), (3, 7076380), (4, 5307285), (5, 4245828), (6, 3538190), (10, 2122914), (12, 1769095), (15, 1415276), (20, 1061457), (30, 707638), (60, 353819)]