21057573

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{683}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 7834587

約数列:

[1, 3, 43, 129, 239, 683, 717, 2049, 10277, 29369, 30831, 88107, 163237, 489711, 7019191, 21057573]

約数ペア:

[(1, 21057573), (3, 7019191), (43, 489711), (129, 163237), (239, 88107), (683, 30831), (717, 29369), (2049, 10277)]