21386172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{967}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 53123840

約数和(自身を除く): 31737668

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 97, 114, 194, 228, 291, 388, 582, 967, 1164, 1843, 1934, 2901, 3686, 3868, 5529, 5802, 7372, 11058, 11604, 18373, 22116, 36746, 55119, 73492, 93799, 110238, 187598, 220476, 281397, 375196, 562794, 1125588, 1782181, 3564362, 5346543, 7128724, 10693086, 21386172]

約数ペア:

[(1, 21386172), (2, 10693086), (3, 7128724), (4, 5346543), (6, 3564362), (12, 1782181), (19, 1125588), (38, 562794), (57, 375196), (76, 281397), (97, 220476), (114, 187598), (194, 110238), (228, 93799), (291, 73492), (388, 55119), (582, 36746), (967, 22116), (1164, 18373), (1843, 11604), (1934, 11058), (2901, 7372), (3686, 5802), (3868, 5529)]