21382590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1693}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 51470496

約数和(自身を除く): 30087906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1693, 2105, 2526, 3386, 4210, 5079, 6315, 8465, 10158, 12630, 16930, 25395, 50790, 712753, 1425506, 2138259, 3563765, 4276518, 7127530, 10691295, 21382590]

約数ペア:

[(1, 21382590), (2, 10691295), (3, 7127530), (5, 4276518), (6, 3563765), (10, 2138259), (15, 1425506), (30, 712753), (421, 50790), (842, 25395), (1263, 16930), (1693, 12630), (2105, 10158), (2526, 8465), (3386, 6315), (4210, 5079)]