20161621212

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1\times {\mathrm{37049}}^1$

素因数の和:37606

約数の個数: 48

約数和(自身を含む): 47616660000

約数和(自身を除く): 27455038788

約数列:

[1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 449, 606, 898, 1212, 1347, 1796, 2694, 5388, 37049, 45349, 74098, 90698, 111147, 136047, 148196, 181396, 222294, 272094, 444588, 544188, 3741949, 7483898, 11225847, 14967796, 16635001, 22451694, 33270002, 44903388, 49905003, 66540004, 99810006, 199620012, 1680135101, 3360270202, 5040405303, 6720540404, 10080810606, 20161621212]

約数ペア:

[(1, 20161621212), (2, 10080810606), (3, 6720540404), (4, 5040405303), (6, 3360270202), (12, 1680135101), (101, 199620012), (202, 99810006), (303, 66540004), (404, 49905003), (449, 44903388), (606, 33270002), (898, 22451694), (1212, 16635001), (1347, 14967796), (1796, 11225847), (2694, 7483898), (5388, 3741949), (37049, 544188), (45349, 444588), (74098, 272094), (90698, 222294), (111147, 181396), (136047, 148196)]