21465624

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 57565440

約数和(自身を除く): 36099816

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 851, 888, 1051, 1702, 2102, 2553, 3153, 3404, 4204, 5106, 6306, 6808, 8408, 10212, 12612, 20424, 24173, 25224, 38887, 48346, 72519, 77774, 96692, 116661, 145038, 155548, 193384, 233322, 290076, 311096, 466644, 580152, 894401, 933288, 1788802, 2683203, 3577604, 5366406, 7155208, 10732812, 21465624]

約数ペア:

[(1, 21465624), (2, 10732812), (3, 7155208), (4, 5366406), (6, 3577604), (8, 2683203), (12, 1788802), (23, 933288), (24, 894401), (37, 580152), (46, 466644), (69, 311096), (74, 290076), (92, 233322), (111, 193384), (138, 155548), (148, 145038), (184, 116661), (222, 96692), (276, 77774), (296, 72519), (444, 48346), (552, 38887), (851, 25224), (888, 24173), (1051, 20424), (1702, 12612), (2102, 10212), (2553, 8408), (3153, 6808), (3404, 6306), (4204, 5106)]