21229897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 26046720

約数和(自身を除く): 4816823

約数列:

[1, 13, 19, 23, 37, 101, 247, 299, 437, 481, 703, 851, 1313, 1919, 2323, 3737, 5681, 9139, 11063, 16169, 24947, 30199, 44137, 48581, 71003, 85951, 210197, 573781, 923039, 1117363, 1633069, 21229897]

約数ペア:

[(1, 21229897), (13, 1633069), (19, 1117363), (23, 923039), (37, 573781), (101, 210197), (247, 85951), (299, 71003), (437, 48581), (481, 44137), (703, 30199), (851, 24947), (1313, 16169), (1919, 11063), (2323, 9139), (3737, 5681)]