21469833

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 20002167

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 449, 483, 621, 693, 759, 1347, 1449, 1771, 2079, 2277, 3143, 4041, 4347, 4939, 5313, 6831, 9429, 10327, 12123, 14817, 15939, 28287, 30981, 34573, 44451, 47817, 72289, 84861, 92943, 103719, 113597, 133353, 216867, 278829, 311157, 340791, 650601, 795179, 933471, 1022373, 1951803, 2385537, 3067119, 7156611, 21469833]

約数ペア:

[(1, 21469833), (3, 7156611), (7, 3067119), (9, 2385537), (11, 1951803), (21, 1022373), (23, 933471), (27, 795179), (33, 650601), (63, 340791), (69, 311157), (77, 278829), (99, 216867), (161, 133353), (189, 113597), (207, 103719), (231, 92943), (253, 84861), (297, 72289), (449, 47817), (483, 44451), (621, 34573), (693, 30981), (759, 28287), (1347, 15939), (1449, 14817), (1771, 12123), (2079, 10327), (2277, 9429), (3143, 6831), (4041, 5313), (4347, 4939)]