21783146

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{167}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 20274646

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 167, 242, 334, 539, 847, 1078, 1169, 1331, 1694, 1837, 2338, 2662, 3674, 5929, 8183, 9317, 11858, 12859, 16366, 18634, 20207, 25718, 40414, 65219, 90013, 130438, 141449, 180026, 222277, 282898, 444554, 990143, 1555939, 1980286, 3111878, 10891573, 21783146]

約数ペア:

[(1, 21783146), (2, 10891573), (7, 3111878), (11, 1980286), (14, 1555939), (22, 990143), (49, 444554), (77, 282898), (98, 222277), (121, 180026), (154, 141449), (167, 130438), (242, 90013), (334, 65219), (539, 40414), (847, 25718), (1078, 20207), (1169, 18634), (1331, 16366), (1694, 12859), (1837, 11858), (2338, 9317), (2662, 8183), (3674, 5929)]