21032616171

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{54323}}^1$

素因数の和:54615

約数の個数: 32

約数和(自身を含む): 32542248960

約数和(自身を除く): 11509632789

約数列:

[1, 3, 7, 21, 103, 179, 309, 537, 721, 1253, 2163, 3759, 18437, 54323, 55311, 129059, 162969, 380261, 387177, 1140783, 5595269, 9723817, 16785807, 29171451, 39166883, 68066719, 117500649, 204200157, 1001553151, 3004659453, 7010872057, 21032616171]

約数ペア:

[(1, 21032616171), (3, 7010872057), (7, 3004659453), (21, 1001553151), (103, 204200157), (179, 117500649), (309, 68066719), (537, 39166883), (721, 29171451), (1253, 16785807), (2163, 9723817), (3759, 5595269), (18437, 1140783), (54323, 387177), (55311, 380261), (129059, 162969)]