21041768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 43342560

約数和(自身を除く): 22300792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1523, 1727, 3046, 3454, 6092, 6908, 12184, 13816, 16753, 33506, 67012, 134024, 239111, 478222, 956444, 1912888, 2630221, 5260442, 10520884, 21041768]

約数ペア:

[(1, 21041768), (2, 10520884), (4, 5260442), (8, 2630221), (11, 1912888), (22, 956444), (44, 478222), (88, 239111), (157, 134024), (314, 67012), (628, 33506), (1256, 16753), (1523, 13816), (1727, 12184), (3046, 6908), (3454, 6092)]