21167976952

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{347563}}^1$

素因数の和:347923

約数の個数: 32

約数和(自身を含む): 41540849280

約数和(自身を除く): 20372872328

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 331, 662, 1324, 2648, 7613, 15226, 30452, 60904, 347563, 695126, 1390252, 2780504, 7993949, 15987898, 31975796, 63951592, 115043353, 230086706, 460173412, 920346824, 2645997119, 5291994238, 10583988476, 21167976952]

約数ペア:

[(1, 21167976952), (2, 10583988476), (4, 5291994238), (8, 2645997119), (23, 920346824), (46, 460173412), (92, 230086706), (184, 115043353), (331, 63951592), (662, 31975796), (1324, 15987898), (2648, 7993949), (7613, 2780504), (15226, 1390252), (30452, 695126), (60904, 347563)]