21185296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120371}}^1$

素因数の和:120390

約数の個数: 20

約数和(自身を含む): 44778384

約数和(自身を除く): 23593088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120371, 240742, 481484, 962968, 1324081, 1925936, 2648162, 5296324, 10592648, 21185296]

約数ペア:

[(1, 21185296), (2, 10592648), (4, 5296324), (8, 2648162), (11, 1925936), (16, 1324081), (22, 962968), (44, 481484), (88, 240742), (176, 120371)]