21229126839

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{872657}}^1$

素因数の和:872736

約数の個数: 32

約数和(自身を含む): 33928943040

約数和(自身を除く): 12699816201

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 901, 1431, 2703, 8109, 24327, 872657, 2617971, 7853913, 14835169, 23561739, 44505507, 46250821, 133516521, 138752463, 400549563, 416257389, 786263957, 1248772167, 2358791871, 7076375613, 21229126839]

約数ペア:

[(1, 21229126839), (3, 7076375613), (9, 2358791871), (17, 1248772167), (27, 786263957), (51, 416257389), (53, 400549563), (153, 138752463), (159, 133516521), (459, 46250821), (477, 44505507), (901, 23561739), (1431, 14835169), (2703, 7853913), (8109, 2617971), (24327, 872657)]