21812048

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{3163}}^1$

素因数の和:3602

約数の個数: 20

約数和(自身を含む): 42372288

約数和(自身を除く): 20560240

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3163, 3448, 6326, 6896, 12652, 25304, 50608, 1363253, 2726506, 5453012, 10906024, 21812048]

約数ペア:

[(1, 21812048), (2, 10906024), (4, 5453012), (8, 2726506), (16, 1363253), (431, 50608), (862, 25304), (1724, 12652), (3163, 6896), (3448, 6326)]