21066060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1135

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 44736180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1087, 1140, 1292, 1615, 1938, 2174, 3230, 3261, 3876, 4348, 4845, 5435, 6460, 6522, 9690, 10870, 13044, 16305, 18479, 19380, 20653, 21740, 32610, 36958, 41306, 55437, 61959, 65220, 73916, 82612, 92395, 103265, 110874, 123918, 184790, 206530, 221748, 247836, 277185, 309795, 351101, 369580, 413060, 554370, 619590, 702202, 1053303, 1108740, 1239180, 1404404, 1755505, 2106606, 3511010, 4213212, 5266515, 7022020, 10533030, 21066060]

約数ペア:

[(1, 21066060), (2, 10533030), (3, 7022020), (4, 5266515), (5, 4213212), (6, 3511010), (10, 2106606), (12, 1755505), (15, 1404404), (17, 1239180), (19, 1108740), (20, 1053303), (30, 702202), (34, 619590), (38, 554370), (51, 413060), (57, 369580), (60, 351101), (68, 309795), (76, 277185), (85, 247836), (95, 221748), (102, 206530), (114, 184790), (170, 123918), (190, 110874), (204, 103265), (228, 92395), (255, 82612), (285, 73916), (323, 65220), (340, 61959), (380, 55437), (510, 41306), (570, 36958), (646, 32610), (969, 21740), (1020, 20653), (1087, 19380), (1140, 18479), (1292, 16305), (1615, 13044), (1938, 10870), (2174, 9690), (3230, 6522), (3261, 6460), (3876, 5435), (4348, 4845)]