21944320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 52678080

約数和(自身を除く): 30733760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2143, 2560, 4286, 5120, 8572, 10240, 10715, 17144, 21430, 34288, 42860, 68576, 85720, 137152, 171440, 274304, 342880, 548608, 685760, 1097216, 1371520, 2194432, 2743040, 4388864, 5486080, 10972160, 21944320]

約数ペア:

[(1, 21944320), (2, 10972160), (4, 5486080), (5, 4388864), (8, 2743040), (10, 2194432), (16, 1371520), (20, 1097216), (32, 685760), (40, 548608), (64, 342880), (80, 274304), (128, 171440), (160, 137152), (256, 85720), (320, 68576), (512, 42860), (640, 34288), (1024, 21430), (1280, 17144), (2048, 10715), (2143, 10240), (2560, 8572), (4286, 5120)]