21037982

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4801}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 36187872

約数和(自身を除く): 15149890

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4382, 4801, 9602, 33607, 67214, 1502713, 3005426, 10518991, 21037982]

約数ペア:

[(1, 21037982), (2, 10518991), (7, 3005426), (14, 1502713), (313, 67214), (626, 33607), (2191, 9602), (4382, 4801)]