2021103357

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 3473756160

約数和(自身を除く): 1452652803

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 409, 483, 787, 897, 1227, 2093, 2361, 2863, 5317, 5509, 6279, 8589, 9407, 10231, 15951, 16527, 18101, 28221, 30693, 37219, 54303, 65849, 71617, 111657, 122291, 126707, 197547, 214851, 235313, 321883, 366873, 380121, 705939, 856037, 965649, 1647191, 2253181, 2568111, 4184479, 4941573, 6759543, 7403309, 12553437, 22209927, 29291353, 51823163, 87874059, 96243017, 155469489, 288729051, 673701119, 2021103357]

約数ペア:

[(1, 2021103357), (3, 673701119), (7, 288729051), (13, 155469489), (21, 96243017), (23, 87874059), (39, 51823163), (69, 29291353), (91, 22209927), (161, 12553437), (273, 7403309), (299, 6759543), (409, 4941573), (483, 4184479), (787, 2568111), (897, 2253181), (1227, 1647191), (2093, 965649), (2361, 856037), (2863, 705939), (5317, 380121), (5509, 366873), (6279, 321883), (8589, 235313), (9407, 214851), (10231, 197547), (15951, 126707), (16527, 122291), (18101, 111657), (28221, 71617), (30693, 65849), (37219, 54303)]