21931048

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38611}}^1$

素因数の和:38688

約数の個数: 16

約数和(自身を含む): 41700960

約数和(自身を除く): 19769912

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38611, 77222, 154444, 308888, 2741381, 5482762, 10965524, 21931048]

約数ペア:

[(1, 21931048), (2, 10965524), (4, 5482762), (8, 2741381), (71, 308888), (142, 154444), (284, 77222), (568, 38611)]