21495573

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1213}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 34089120

約数和(自身を除く): 12593547

約数列:

[1, 3, 9, 11, 33, 99, 179, 537, 1213, 1611, 1969, 3639, 5907, 10917, 13343, 17721, 40029, 120087, 217127, 651381, 1954143, 2388397, 7165191, 21495573]

約数ペア:

[(1, 21495573), (3, 7165191), (9, 2388397), (11, 1954143), (33, 651381), (99, 217127), (179, 120087), (537, 40029), (1213, 17721), (1611, 13343), (1969, 10917), (3639, 5907)]