21280152

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2080

約数の個数: 64

約数和(自身を含む): 58464000

約数和(自身を除く): 37183848

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 437, 456, 552, 874, 1311, 1748, 2029, 2622, 3496, 4058, 5244, 6087, 8116, 10488, 12174, 16232, 24348, 38551, 46667, 48696, 77102, 93334, 115653, 140001, 154204, 186668, 231306, 280002, 308408, 373336, 462612, 560004, 886673, 925224, 1120008, 1773346, 2660019, 3546692, 5320038, 7093384, 10640076, 21280152]

約数ペア:

[(1, 21280152), (2, 10640076), (3, 7093384), (4, 5320038), (6, 3546692), (8, 2660019), (12, 1773346), (19, 1120008), (23, 925224), (24, 886673), (38, 560004), (46, 462612), (57, 373336), (69, 308408), (76, 280002), (92, 231306), (114, 186668), (138, 154204), (152, 140001), (184, 115653), (228, 93334), (276, 77102), (437, 48696), (456, 46667), (552, 38551), (874, 24348), (1311, 16232), (1748, 12174), (2029, 10488), (2622, 8116), (3496, 6087), (4058, 5244)]