21179799

素因数分解:

$3^4\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 30

約数和(自身を含む): 32687424

約数和(自身を除く): 11507625

約数列:

[1, 3, 9, 27, 37, 81, 111, 191, 333, 573, 999, 1369, 1719, 2997, 4107, 5157, 7067, 12321, 15471, 21201, 36963, 63603, 110889, 190809, 261479, 572427, 784437, 2353311, 7059933, 21179799]

約数ペア:

[(1, 21179799), (3, 7059933), (9, 2353311), (27, 784437), (37, 572427), (81, 261479), (111, 190809), (191, 110889), (333, 63603), (573, 36963), (999, 21201), (1369, 15471), (1719, 12321), (2997, 7067), (4107, 5157)]