21139492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16567}}^1$

素因数の和:16611

約数の個数: 24

約数和(自身を含む): 41751360

約数和(自身を除く): 20611868

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16567, 33134, 66268, 182237, 364474, 480443, 728948, 960886, 1921772, 5284873, 10569746, 21139492]

約数ペア:

[(1, 21139492), (2, 10569746), (4, 5284873), (11, 1921772), (22, 960886), (29, 728948), (44, 480443), (58, 364474), (116, 182237), (319, 66268), (638, 33134), (1276, 16567)]