21050689

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 24698880

約数和(自身を除く): 3648191

約数列:

[1, 11, 19, 47, 209, 517, 893, 2143, 9823, 23573, 40717, 100721, 447887, 1107931, 1913699, 21050689]

約数ペア:

[(1, 21050689), (11, 1913699), (19, 1107931), (47, 447887), (209, 100721), (517, 40717), (893, 23573), (2143, 9823)]