21896336

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2539}}^1$

素因数の和:2572

約数の個数: 60

約数和(自身を含む): 53858160

約数和(自身を除く): 31961824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2539, 4312, 5078, 8624, 10156, 17773, 20312, 27929, 35546, 40624, 55858, 71092, 111716, 124411, 142184, 195503, 223432, 248822, 284368, 391006, 446864, 497644, 782012, 995288, 1368521, 1564024, 1990576, 2737042, 3128048, 5474084, 10948168, 21896336]

約数ペア:

[(1, 21896336), (2, 10948168), (4, 5474084), (7, 3128048), (8, 2737042), (11, 1990576), (14, 1564024), (16, 1368521), (22, 995288), (28, 782012), (44, 497644), (49, 446864), (56, 391006), (77, 284368), (88, 248822), (98, 223432), (112, 195503), (154, 142184), (176, 124411), (196, 111716), (308, 71092), (392, 55858), (539, 40624), (616, 35546), (784, 27929), (1078, 20312), (1232, 17773), (2156, 10156), (2539, 8624), (4312, 5078)]