21269072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120847}}^1$

素因数の和:120866

約数の個数: 20

約数和(自身を含む): 44955456

約数和(自身を除く): 23686384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120847, 241694, 483388, 966776, 1329317, 1933552, 2658634, 5317268, 10634536, 21269072]

約数ペア:

[(1, 21269072), (2, 10634536), (4, 5317268), (8, 2658634), (11, 1933552), (16, 1329317), (22, 966776), (44, 483388), (88, 241694), (176, 120847)]