21615216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2838

約数の個数: 80

約数和(自身を含む): 66614784

約数和(自身を除く): 44999568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2797, 3864, 5594, 7728, 8391, 11188, 16782, 19579, 22376, 33564, 39158, 44752, 58737, 64331, 67128, 78316, 117474, 128662, 134256, 156632, 192993, 234948, 257324, 313264, 385986, 450317, 469896, 514648, 771972, 900634, 939792, 1029296, 1350951, 1543944, 1801268, 2701902, 3087888, 3602536, 5403804, 7205072, 10807608, 21615216]

約数ペア:

[(1, 21615216), (2, 10807608), (3, 7205072), (4, 5403804), (6, 3602536), (7, 3087888), (8, 2701902), (12, 1801268), (14, 1543944), (16, 1350951), (21, 1029296), (23, 939792), (24, 900634), (28, 771972), (42, 514648), (46, 469896), (48, 450317), (56, 385986), (69, 313264), (84, 257324), (92, 234948), (112, 192993), (138, 156632), (161, 134256), (168, 128662), (184, 117474), (276, 78316), (322, 67128), (336, 64331), (368, 58737), (483, 44752), (552, 39158), (644, 33564), (966, 22376), (1104, 19579), (1288, 16782), (1932, 11188), (2576, 8391), (2797, 7728), (3864, 5594)]