21789592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247609}}^1$

素因数の和:247626

約数の個数: 16

約数和(自身を含む): 44569800

約数和(自身を除く): 22780208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247609, 495218, 990436, 1980872, 2723699, 5447398, 10894796, 21789592]

約数ペア:

[(1, 21789592), (2, 10894796), (4, 5447398), (8, 2723699), (11, 1980872), (22, 990436), (44, 495218), (88, 247609)]