21252994766

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{61961}}^1$

素因数の和:62140

約数の個数: 32

約数和(自身を含む): 33727155840

約数和(自身を除く): 12474161074

約数列:

[1, 2, 41, 47, 82, 89, 94, 178, 1927, 3649, 3854, 4183, 7298, 8366, 61961, 123922, 171503, 343006, 2540401, 2912167, 5080802, 5514529, 5824334, 11029058, 119398847, 226095689, 238797694, 259182863, 452191378, 518365726, 10626497383, 21252994766]

約数ペア:

[(1, 21252994766), (2, 10626497383), (41, 518365726), (47, 452191378), (82, 259182863), (89, 238797694), (94, 226095689), (178, 119398847), (1927, 11029058), (3649, 5824334), (3854, 5514529), (4183, 5080802), (7298, 2912167), (8366, 2540401), (61961, 343006), (123922, 171503)]