2021020144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1427}}^1$

素因数の和:2078

約数の個数: 80

約数和(自身を含む): 4610954880

約数和(自身を除く): 2589934736

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 619, 1144, 1238, 1427, 2288, 2476, 2854, 4952, 5708, 6809, 8047, 9904, 11416, 13618, 15697, 16094, 18551, 22832, 27236, 31394, 32188, 37102, 54472, 62788, 64376, 74204, 88517, 108944, 125576, 128752, 148408, 177034, 204061, 251152, 296816, 354068, 408122, 708136, 816244, 883313, 1416272, 1632488, 1766626, 3264976, 3533252, 7066504, 9716443, 11483069, 14133008, 19432886, 22966138, 38865772, 45932276, 77731544, 91864552, 126313759, 155463088, 183729104, 252627518, 505255036, 1010510072, 2021020144]

約数ペア:

[(1, 2021020144), (2, 1010510072), (4, 505255036), (8, 252627518), (11, 183729104), (13, 155463088), (16, 126313759), (22, 91864552), (26, 77731544), (44, 45932276), (52, 38865772), (88, 22966138), (104, 19432886), (143, 14133008), (176, 11483069), (208, 9716443), (286, 7066504), (572, 3533252), (619, 3264976), (1144, 1766626), (1238, 1632488), (1427, 1416272), (2288, 883313), (2476, 816244), (2854, 708136), (4952, 408122), (5708, 354068), (6809, 296816), (8047, 251152), (9904, 204061), (11416, 177034), (13618, 148408), (15697, 128752), (16094, 125576), (18551, 108944), (22832, 88517), (27236, 74204), (31394, 64376), (32188, 62788), (37102, 54472)]