21909366

素因数分解:

$2^1\times 3^7\times {\mathrm{5009}}^1$

素因数の和:5032

約数の個数: 32

約数和(自身を含む): 49298400

約数和(自身を除く): 27389034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 5009, 10018, 15027, 30054, 45081, 90162, 135243, 270486, 405729, 811458, 1217187, 2434374, 3651561, 7303122, 10954683, 21909366]

約数ペア:

[(1, 21909366), (2, 10954683), (3, 7303122), (6, 3651561), (9, 2434374), (18, 1217187), (27, 811458), (54, 405729), (81, 270486), (162, 135243), (243, 90162), (486, 45081), (729, 30054), (1458, 15027), (2187, 10018), (4374, 5009)]