21644476

素因数分解:

$2^2\times 7^2\times {\mathrm{110431}}^1$

素因数の和:110449

約数の個数: 18

約数和(自身を含む): 44062368

約数和(自身を除く): 22417892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 110431, 220862, 441724, 773017, 1546034, 3092068, 5411119, 10822238, 21644476]

約数ペア:

[(1, 21644476), (2, 10822238), (4, 5411119), (7, 3092068), (14, 1546034), (28, 773017), (49, 441724), (98, 220862), (196, 110431)]