21442288

素因数分解:

$2^4\times 7^1\times {\mathrm{191449}}^1$

素因数の和:191464

約数の個数: 20

約数和(自身を含む): 47479600

約数和(自身を除く): 26037312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191449, 382898, 765796, 1340143, 1531592, 2680286, 3063184, 5360572, 10721144, 21442288]

約数ペア:

[(1, 21442288), (2, 10721144), (4, 5360572), (7, 3063184), (8, 2680286), (14, 1531592), (16, 1340143), (28, 765796), (56, 382898), (112, 191449)]