21386465982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3947299}}^1$

素因数の和:3947357

約数の個数: 48

約数和(自身を含む): 54188534400

約数和(自身を除く): 32802068418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 5418, 3947299, 7894598, 11841897, 23683794, 27631093, 35525691, 55262186, 71051382, 82893279, 165786558, 169733857, 248679837, 339467714, 497359674, 509201571, 1018403142, 1188136999, 1527604713, 2376273998, 3055209426, 3564410997, 7128821994, 10693232991, 21386465982]

約数ペア:

[(1, 21386465982), (2, 10693232991), (3, 7128821994), (6, 3564410997), (7, 3055209426), (9, 2376273998), (14, 1527604713), (18, 1188136999), (21, 1018403142), (42, 509201571), (43, 497359674), (63, 339467714), (86, 248679837), (126, 169733857), (129, 165786558), (258, 82893279), (301, 71051382), (387, 55262186), (602, 35525691), (774, 27631093), (903, 23683794), (1806, 11841897), (2709, 7894598), (5418, 3947299)]