21809354

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 17195062

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 259, 497, 518, 593, 994, 1186, 2627, 4151, 5254, 8302, 18389, 21941, 36778, 42103, 43882, 84206, 153587, 294721, 307174, 589442, 1557811, 3115622, 10904677, 21809354]

約数ペア:

[(1, 21809354), (2, 10904677), (7, 3115622), (14, 1557811), (37, 589442), (71, 307174), (74, 294721), (142, 153587), (259, 84206), (497, 43882), (518, 42103), (593, 36778), (994, 21941), (1186, 18389), (2627, 8302), (4151, 5254)]