21109560138

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{877}}^1\times {\mathrm{16927}}^1$

素因数の和:17891

約数の個数: 48

約数和(自身を含む): 46371886080

約数和(自身を除く): 25262325942

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 877, 1422, 1754, 2631, 5262, 7893, 15786, 16927, 33854, 50781, 69283, 101562, 138566, 152343, 207849, 304686, 415698, 623547, 1247094, 1337233, 2674466, 4011699, 8023398, 12035097, 14844979, 24070194, 29689958, 44534937, 89069874, 133604811, 267209622, 1172753341, 2345506682, 3518260023, 7036520046, 10554780069, 21109560138]

約数ペア:

[(1, 21109560138), (2, 10554780069), (3, 7036520046), (6, 3518260023), (9, 2345506682), (18, 1172753341), (79, 267209622), (158, 133604811), (237, 89069874), (474, 44534937), (711, 29689958), (877, 24070194), (1422, 14844979), (1754, 12035097), (2631, 8023398), (5262, 4011699), (7893, 2674466), (15786, 1337233), (16927, 1247094), (33854, 623547), (50781, 415698), (69283, 304686), (101562, 207849), (138566, 152343)]