21852068

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7577}}^1$

素因数の和:7691

約数の個数: 24

約数和(自身を含む): 44134272

約数和(自身を除く): 22282204

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7577, 15154, 30308, 53039, 106078, 212156, 780431, 1560862, 3121724, 5463017, 10926034, 21852068]

約数ペア:

[(1, 21852068), (2, 10926034), (4, 5463017), (7, 3121724), (14, 1560862), (28, 780431), (103, 212156), (206, 106078), (412, 53039), (721, 30308), (1442, 15154), (2884, 7577)]