21690660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361511}}^1$

素因数の和:361523

約数の個数: 24

約数和(自身を含む): 60734016

約数和(自身を除く): 39043356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361511, 723022, 1084533, 1446044, 1807555, 2169066, 3615110, 4338132, 5422665, 7230220, 10845330, 21690660]

約数ペア:

[(1, 21690660), (2, 10845330), (3, 7230220), (4, 5422665), (5, 4338132), (6, 3615110), (10, 2169066), (12, 1807555), (15, 1446044), (20, 1084533), (30, 723022), (60, 361511)]