21698568

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{13103}}^1$

素因数の和:13138

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 39628152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 13103, 26206, 39309, 52412, 78618, 104824, 117927, 157236, 235854, 301369, 314472, 471708, 602738, 904107, 943416, 1205476, 1808214, 2410952, 2712321, 3616428, 5424642, 7232856, 10849284, 21698568]

約数ペア:

[(1, 21698568), (2, 10849284), (3, 7232856), (4, 5424642), (6, 3616428), (8, 2712321), (9, 2410952), (12, 1808214), (18, 1205476), (23, 943416), (24, 904107), (36, 602738), (46, 471708), (69, 314472), (72, 301369), (92, 235854), (138, 157236), (184, 117927), (207, 104824), (276, 78618), (414, 52412), (552, 39309), (828, 26206), (1656, 13103)]