21225228

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 52690176

約数和(自身を除く): 31464948

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1451, 2438, 2902, 3657, 4353, 4876, 5804, 7314, 8706, 14628, 17412, 33373, 66746, 76903, 100119, 133492, 153806, 200238, 230709, 307612, 400476, 461418, 922836, 1768769, 3537538, 5306307, 7075076, 10612614, 21225228]

約数ペア:

[(1, 21225228), (2, 10612614), (3, 7075076), (4, 5306307), (6, 3537538), (12, 1768769), (23, 922836), (46, 461418), (53, 400476), (69, 307612), (92, 230709), (106, 200238), (138, 153806), (159, 133492), (212, 100119), (276, 76903), (318, 66746), (636, 33373), (1219, 17412), (1451, 14628), (2438, 8706), (2902, 7314), (3657, 5804), (4353, 4876)]