21677304

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 59610240

約数和(自身を除く): 37932936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 157, 264, 314, 471, 523, 628, 942, 1046, 1256, 1569, 1727, 1884, 2092, 3138, 3454, 3768, 4184, 5181, 5753, 6276, 6908, 10362, 11506, 12552, 13816, 17259, 20724, 23012, 34518, 41448, 46024, 69036, 82111, 138072, 164222, 246333, 328444, 492666, 656888, 903221, 985332, 1806442, 1970664, 2709663, 3612884, 5419326, 7225768, 10838652, 21677304]

約数ペア:

[(1, 21677304), (2, 10838652), (3, 7225768), (4, 5419326), (6, 3612884), (8, 2709663), (11, 1970664), (12, 1806442), (22, 985332), (24, 903221), (33, 656888), (44, 492666), (66, 328444), (88, 246333), (132, 164222), (157, 138072), (264, 82111), (314, 69036), (471, 46024), (523, 41448), (628, 34518), (942, 23012), (1046, 20724), (1256, 17259), (1569, 13816), (1727, 12552), (1884, 11506), (2092, 10362), (3138, 6908), (3454, 6276), (3768, 5753), (4184, 5181)]