21983984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124909}}^1$

素因数の和:124928

約数の個数: 20

約数和(自身を含む): 46466520

約数和(自身を除く): 24482536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124909, 249818, 499636, 999272, 1373999, 1998544, 2747998, 5495996, 10991992, 21983984]

約数ペア:

[(1, 21983984), (2, 10991992), (4, 5495996), (8, 2747998), (11, 1998544), (16, 1373999), (22, 999272), (44, 499636), (88, 249818), (176, 124909)]