2021092857

素因数分解:

$3^3\times 7^3\times {\mathrm{229}}^1\times {\mathrm{953}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 3510720000

約数和(自身を除く): 1489627143

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 229, 343, 441, 687, 953, 1029, 1323, 1603, 2061, 2859, 3087, 4809, 6183, 6671, 8577, 9261, 11221, 14427, 20013, 25731, 33663, 43281, 46697, 60039, 78547, 100989, 140091, 180117, 218237, 235641, 302967, 326879, 420273, 654711, 706923, 980637, 1260819, 1527659, 1964133, 2120769, 2941911, 4582977, 5892399, 8825733, 10693613, 13748931, 32080839, 41246793, 74855291, 96242517, 224565873, 288727551, 673697619, 2021092857]

約数ペア:

[(1, 2021092857), (3, 673697619), (7, 288727551), (9, 224565873), (21, 96242517), (27, 74855291), (49, 41246793), (63, 32080839), (147, 13748931), (189, 10693613), (229, 8825733), (343, 5892399), (441, 4582977), (687, 2941911), (953, 2120769), (1029, 1964133), (1323, 1527659), (1603, 1260819), (2061, 980637), (2859, 706923), (3087, 654711), (4809, 420273), (6183, 326879), (6671, 302967), (8577, 235641), (9261, 218237), (11221, 180117), (14427, 140091), (20013, 100989), (25731, 78547), (33663, 60039), (43281, 46697)]