21936124

素因数分解:

$2^2\times 7^2\times {\mathrm{111919}}^1$

素因数の和:111937

約数の個数: 18

約数和(自身を含む): 44656080

約数和(自身を除く): 22719956

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 111919, 223838, 447676, 783433, 1566866, 3133732, 5484031, 10968062, 21936124]

約数ペア:

[(1, 21936124), (2, 10968062), (4, 5484031), (7, 3133732), (14, 1566866), (28, 783433), (49, 447676), (98, 223838), (196, 111919)]