21986291252

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1\times {\mathrm{2339}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 39697257600

約数和(自身を除く): 17710966348

約数列:

[1, 2, 4, 53, 101, 106, 202, 212, 404, 439, 878, 1756, 2339, 4678, 5353, 9356, 10706, 21412, 23267, 44339, 46534, 88678, 93068, 123967, 177356, 236239, 247934, 472478, 495868, 944956, 1026821, 2053642, 2349967, 4107284, 4699934, 9399868, 12520667, 25041334, 50082668, 54421513, 103708921, 108843026, 207417842, 217686052, 414835684, 5496572813, 10993145626, 21986291252]

約数ペア:

[(1, 21986291252), (2, 10993145626), (4, 5496572813), (53, 414835684), (101, 217686052), (106, 207417842), (202, 108843026), (212, 103708921), (404, 54421513), (439, 50082668), (878, 25041334), (1756, 12520667), (2339, 9399868), (4678, 4699934), (5353, 4107284), (9356, 2349967), (10706, 2053642), (21412, 1026821), (23267, 944956), (44339, 495868), (46534, 472478), (88678, 247934), (93068, 236239), (123967, 177356)]