21186864

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6397}}^1$

素因数の和:6434

約数の個数: 60

約数和(自身を含む): 61881456

約数和(自身を除く): 40694592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6397, 12794, 19191, 25588, 38382, 51176, 57573, 76764, 102352, 115146, 147131, 153528, 230292, 294262, 307056, 441393, 460584, 588524, 882786, 921168, 1177048, 1324179, 1765572, 2354096, 2648358, 3531144, 5296716, 7062288, 10593432, 21186864]

約数ペア:

[(1, 21186864), (2, 10593432), (3, 7062288), (4, 5296716), (6, 3531144), (8, 2648358), (9, 2354096), (12, 1765572), (16, 1324179), (18, 1177048), (23, 921168), (24, 882786), (36, 588524), (46, 460584), (48, 441393), (69, 307056), (72, 294262), (92, 230292), (138, 153528), (144, 147131), (184, 115146), (207, 102352), (276, 76764), (368, 57573), (414, 51176), (552, 38382), (828, 25588), (1104, 19191), (1656, 12794), (3312, 6397)]