21167381136385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{2356213}}^1$

素因数の和:2356750

約数の個数: 48

約数和(自身を含む): 28880774737920

約数和(自身を除く): 7713393601535

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 479, 605, 1705, 2395, 3751, 5269, 14849, 18755, 26345, 57959, 74245, 163339, 289795, 816695, 1796729, 2356213, 8983645, 11781065, 25918343, 73042603, 129591715, 285101773, 365213015, 803468633, 1128626027, 1425508865, 4017343165, 5643130135, 8838154963, 12414886297, 34987406837, 44190774815, 62074431485, 136563749267, 174937034185, 384861475207, 682818746335, 1924307376035, 4233476227277, 21167381136385]

約数ペア:

[(1, 21167381136385), (5, 4233476227277), (11, 1924307376035), (31, 682818746335), (55, 384861475207), (121, 174937034185), (155, 136563749267), (341, 62074431485), (479, 44190774815), (605, 34987406837), (1705, 12414886297), (2395, 8838154963), (3751, 5643130135), (5269, 4017343165), (14849, 1425508865), (18755, 1128626027), (26345, 803468633), (57959, 365213015), (74245, 285101773), (163339, 129591715), (289795, 73042603), (816695, 25918343), (1796729, 11781065), (2356213, 8983645)]