21803936

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8849}}^1$

素因数の和:8877

約数の個数: 48

約数和(自身を含む): 53524800

約数和(自身を除く): 31720864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8849, 17698, 35396, 61943, 70792, 97339, 123886, 141584, 194678, 247772, 283168, 389356, 495544, 681373, 778712, 991088, 1362746, 1557424, 1982176, 2725492, 3114848, 5450984, 10901968, 21803936]

約数ペア:

[(1, 21803936), (2, 10901968), (4, 5450984), (7, 3114848), (8, 2725492), (11, 1982176), (14, 1557424), (16, 1362746), (22, 991088), (28, 778712), (32, 681373), (44, 495544), (56, 389356), (77, 283168), (88, 247772), (112, 194678), (154, 141584), (176, 123886), (224, 97339), (308, 70792), (352, 61943), (616, 35396), (1232, 17698), (2464, 8849)]