21883336

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 20495864

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 653, 1306, 2612, 4189, 5224, 8378, 16756, 33512, 38527, 46363, 77054, 92726, 154108, 185452, 308216, 370904, 2735417, 5470834, 10941668, 21883336]

約数ペア:

[(1, 21883336), (2, 10941668), (4, 5470834), (8, 2735417), (59, 370904), (71, 308216), (118, 185452), (142, 154108), (236, 92726), (284, 77054), (472, 46363), (568, 38527), (653, 33512), (1306, 16756), (2612, 8378), (4189, 5224)]