21769264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 46336320

約数和(自身を除く): 24567056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 691, 716, 1382, 1432, 1969, 2764, 2864, 3938, 5528, 7601, 7876, 11056, 15202, 15752, 30404, 31504, 60808, 121616, 123689, 247378, 494756, 989512, 1360579, 1979024, 2721158, 5442316, 10884632, 21769264]

約数ペア:

[(1, 21769264), (2, 10884632), (4, 5442316), (8, 2721158), (11, 1979024), (16, 1360579), (22, 989512), (44, 494756), (88, 247378), (176, 123689), (179, 121616), (358, 60808), (691, 31504), (716, 30404), (1382, 15752), (1432, 15202), (1969, 11056), (2764, 7876), (2864, 7601), (3938, 5528)]