21247794

素因数分解:

$2^1\times 3^2\times {\mathrm{619}}^1\times {\mathrm{1907}}^1$

素因数の和:2534

約数の個数: 24

約数和(自身を含む): 46135440

約数和(自身を除く): 24887646

約数列:

[1, 2, 3, 6, 9, 18, 619, 1238, 1857, 1907, 3714, 3814, 5571, 5721, 11142, 11442, 17163, 34326, 1180433, 2360866, 3541299, 7082598, 10623897, 21247794]

約数ペア:

[(1, 21247794), (2, 10623897), (3, 7082598), (6, 3541299), (9, 2360866), (18, 1180433), (619, 34326), (1238, 17163), (1857, 11442), (1907, 11142), (3714, 5721), (3814, 5571)]