21686056

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 27561944

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 113, 149, 161, 184, 226, 298, 322, 452, 596, 644, 791, 904, 1043, 1192, 1288, 1582, 2086, 2599, 3164, 3427, 4172, 5198, 6328, 6854, 8344, 10396, 13708, 16837, 18193, 20792, 23989, 27416, 33674, 36386, 47978, 67348, 72772, 95956, 117859, 134696, 145544, 191912, 235718, 387251, 471436, 774502, 942872, 1549004, 2710757, 3098008, 5421514, 10843028, 21686056]

約数ペア:

[(1, 21686056), (2, 10843028), (4, 5421514), (7, 3098008), (8, 2710757), (14, 1549004), (23, 942872), (28, 774502), (46, 471436), (56, 387251), (92, 235718), (113, 191912), (149, 145544), (161, 134696), (184, 117859), (226, 95956), (298, 72772), (322, 67348), (452, 47978), (596, 36386), (644, 33674), (791, 27416), (904, 23989), (1043, 20792), (1192, 18193), (1288, 16837), (1582, 13708), (2086, 10396), (2599, 8344), (3164, 6854), (3427, 6328), (4172, 5198)]