21208396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1566

約数の個数: 36

約数和(自身を含む): 42230160

約数和(自身を除く): 21021764

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1511, 3022, 3509, 6044, 7018, 14036, 16621, 33242, 43819, 66484, 87638, 175276, 182831, 365662, 482009, 731324, 964018, 1928036, 5302099, 10604198, 21208396]

約数ペア:

[(1, 21208396), (2, 10604198), (4, 5302099), (11, 1928036), (22, 964018), (29, 731324), (44, 482009), (58, 365662), (116, 182831), (121, 175276), (242, 87638), (319, 66484), (484, 43819), (638, 33242), (1276, 16621), (1511, 14036), (3022, 7018), (3509, 6044)]