21657856

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7691}}^1$

素因数の和:7718

約数の個数: 36

約数和(自身を含む): 47167344

約数和(自身を除く): 25509488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7691, 15382, 30764, 61528, 84601, 123056, 169202, 246112, 338404, 492224, 676808, 984448, 1353616, 1968896, 2707232, 5414464, 10828928, 21657856]

約数ペア:

[(1, 21657856), (2, 10828928), (4, 5414464), (8, 2707232), (11, 1968896), (16, 1353616), (22, 984448), (32, 676808), (44, 492224), (64, 338404), (88, 246112), (128, 169202), (176, 123056), (256, 84601), (352, 61528), (704, 30764), (1408, 15382), (2816, 7691)]