21037313

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 5504767

約数列:

[1, 11, 17, 19, 31, 187, 191, 209, 323, 341, 527, 589, 2101, 3247, 3553, 3629, 5797, 5921, 6479, 10013, 35717, 39919, 61693, 65131, 100657, 110143, 112499, 678623, 1107227, 1237489, 1912483, 21037313]

約数ペア:

[(1, 21037313), (11, 1912483), (17, 1237489), (19, 1107227), (31, 678623), (187, 112499), (191, 110143), (209, 100657), (323, 65131), (341, 61693), (527, 39919), (589, 35717), (2101, 10013), (3247, 6479), (3553, 5921), (3629, 5797)]