21160856

素因数分解:

$2^3\times {\mathrm{787}}^1\times {\mathrm{3361}}^1$

素因数の和:4154

約数の個数: 16

約数和(自身を含む): 39738840

約数和(自身を除く): 18577984

約数列:

[1, 2, 4, 8, 787, 1574, 3148, 3361, 6296, 6722, 13444, 26888, 2645107, 5290214, 10580428, 21160856]

約数ペア:

[(1, 21160856), (2, 10580428), (4, 5290214), (8, 2645107), (787, 26888), (1574, 13444), (3148, 6722), (3361, 6296)]