21085936136

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{20431}}^1$

素因数の和:20610

約数の個数: 64

約数和(自身を含む): 42367795200

約数和(自身を除く): 21281859064

約数列:

[1, 2, 4, 8, 23, 46, 71, 79, 92, 142, 158, 184, 284, 316, 568, 632, 1633, 1817, 3266, 3634, 5609, 6532, 7268, 11218, 13064, 14536, 20431, 22436, 40862, 44872, 81724, 129007, 163448, 258014, 469913, 516028, 939826, 1032056, 1450601, 1614049, 1879652, 2901202, 3228098, 3759304, 5802404, 6456196, 11604808, 12912392, 33363823, 37123127, 66727646, 74246254, 114597479, 133455292, 148492508, 229194958, 266910584, 296985016, 458389916, 916779832, 2635742017, 5271484034, 10542968068, 21085936136]

約数ペア:

[(1, 21085936136), (2, 10542968068), (4, 5271484034), (8, 2635742017), (23, 916779832), (46, 458389916), (71, 296985016), (79, 266910584), (92, 229194958), (142, 148492508), (158, 133455292), (184, 114597479), (284, 74246254), (316, 66727646), (568, 37123127), (632, 33363823), (1633, 12912392), (1817, 11604808), (3266, 6456196), (3634, 5802404), (5609, 3759304), (6532, 3228098), (7268, 2901202), (11218, 1879652), (13064, 1614049), (14536, 1450601), (20431, 1032056), (22436, 939826), (40862, 516028), (44872, 469913), (81724, 258014), (129007, 163448)]