21098899892

素因数分解:

$2^2\times 7^1\times {\mathrm{753532139}}^1$

素因数の和:753532150

約数の個数: 12

約数和(自身を含む): 42197799840

約数和(自身を除く): 21098899948

約数列:

[1, 2, 4, 7, 14, 28, 753532139, 1507064278, 3014128556, 5274724973, 10549449946, 21098899892]

約数ペア:

[(1, 21098899892), (2, 10549449946), (4, 5274724973), (7, 3014128556), (14, 1507064278), (28, 753532139)]