21422584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157519}}^1$

素因数の和:157542

約数の個数: 16

約数和(自身を含む): 42530400

約数和(自身を除く): 21107816

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157519, 315038, 630076, 1260152, 2677823, 5355646, 10711292, 21422584]

約数ペア:

[(1, 21422584), (2, 10711292), (4, 5355646), (8, 2677823), (17, 1260152), (34, 630076), (68, 315038), (136, 157519)]