21983162

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 11712838

約数列:

[1, 2, 71, 142, 149, 298, 1039, 2078, 10579, 21158, 73769, 147538, 154811, 309622, 10991581, 21983162]

約数ペア:

[(1, 21983162), (2, 10991581), (71, 309622), (142, 154811), (149, 147538), (298, 73769), (1039, 21158), (2078, 10579)]