21621776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2919

約数の個数: 40

約数和(自身を含む): 46779744

約数和(自身を除く): 25157968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2857, 3784, 5714, 7568, 11428, 22856, 31427, 45712, 62854, 122851, 125708, 245702, 251416, 491404, 502832, 982808, 1351361, 1965616, 2702722, 5405444, 10810888, 21621776]

約数ペア:

[(1, 21621776), (2, 10810888), (4, 5405444), (8, 2702722), (11, 1965616), (16, 1351361), (22, 982808), (43, 502832), (44, 491404), (86, 251416), (88, 245702), (172, 125708), (176, 122851), (344, 62854), (473, 45712), (688, 31427), (946, 22856), (1892, 11428), (2857, 7568), (3784, 5714)]