21071354

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:965

約数の個数: 16

約数和(自身を含む): 32219520

約数和(自身を除く): 11148166

約数列:

[1, 2, 79, 158, 193, 386, 691, 1382, 15247, 30494, 54589, 109178, 133363, 266726, 10535677, 21071354]

約数ペア:

[(1, 21071354), (2, 10535677), (79, 266726), (158, 133363), (193, 109178), (386, 54589), (691, 30494), (1382, 15247)]