21521460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358691}}^1$

素因数の和:358703

約数の個数: 24

約数和(自身を含む): 60260256

約数和(自身を除く): 38738796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358691, 717382, 1076073, 1434764, 1793455, 2152146, 3586910, 4304292, 5380365, 7173820, 10760730, 21521460]

約数ペア:

[(1, 21521460), (2, 10760730), (3, 7173820), (4, 5380365), (5, 4304292), (6, 3586910), (10, 2152146), (12, 1793455), (15, 1434764), (20, 1076073), (30, 717382), (60, 358691)]