21809874

素因数分解:

$2^1\times 3^1\times {\mathrm{541}}^1\times {\mathrm{6719}}^1$

素因数の和:7265

約数の個数: 16

約数和(自身を含む): 43706880

約数和(自身を除く): 21897006

約数列:

[1, 2, 3, 6, 541, 1082, 1623, 3246, 6719, 13438, 20157, 40314, 3634979, 7269958, 10904937, 21809874]

約数ペア:

[(1, 21809874), (2, 10904937), (3, 7269958), (6, 3634979), (541, 40314), (1082, 20157), (1623, 13438), (3246, 6719)]