21539584

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7649}}^1$

素因数の和:7676

約数の個数: 36

約数和(自身を含む): 46909800

約数和(自身を除く): 25370216

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7649, 15298, 30596, 61192, 84139, 122384, 168278, 244768, 336556, 489536, 673112, 979072, 1346224, 1958144, 2692448, 5384896, 10769792, 21539584]

約数ペア:

[(1, 21539584), (2, 10769792), (4, 5384896), (8, 2692448), (11, 1958144), (16, 1346224), (22, 979072), (32, 673112), (44, 489536), (64, 336556), (88, 244768), (128, 168278), (176, 122384), (256, 84139), (352, 61192), (704, 30596), (1408, 15298), (2816, 7649)]