21359304

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6899}}^1$

素因数の和:6954

約数の個数: 48

約数和(自身を含む): 59202000

約数和(自身を除く): 37842696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6899, 13798, 20697, 27596, 41394, 55192, 62091, 82788, 124182, 165576, 248364, 296657, 496728, 593314, 889971, 1186628, 1779942, 2373256, 2669913, 3559884, 5339826, 7119768, 10679652, 21359304]

約数ペア:

[(1, 21359304), (2, 10679652), (3, 7119768), (4, 5339826), (6, 3559884), (8, 2669913), (9, 2373256), (12, 1779942), (18, 1186628), (24, 889971), (36, 593314), (43, 496728), (72, 296657), (86, 248364), (129, 165576), (172, 124182), (258, 82788), (344, 62091), (387, 55192), (516, 41394), (774, 27596), (1032, 20697), (1548, 13798), (3096, 6899)]