21005302422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1\times {\mathrm{140773}}^1$

素因数の和:142704

約数の個数: 32

約数和(自身を含む): 45266161248

約数和(自身を除く): 24260858826

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1913, 3826, 5739, 11478, 24869, 49738, 74607, 140773, 149214, 281546, 422319, 844638, 1830049, 3660098, 5490147, 10980294, 269298749, 538597498, 807896247, 1615792494, 3500883737, 7001767474, 10502651211, 21005302422]

約数ペア:

[(1, 21005302422), (2, 10502651211), (3, 7001767474), (6, 3500883737), (13, 1615792494), (26, 807896247), (39, 538597498), (78, 269298749), (1913, 10980294), (3826, 5490147), (5739, 3660098), (11478, 1830049), (24869, 844638), (49738, 422319), (74607, 281546), (140773, 149214)]