21907589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 25846080

約数和(自身を除く): 3938491

約数列:

[1, 11, 19, 37, 209, 407, 703, 2833, 7733, 31163, 53827, 104821, 592097, 1153031, 1991599, 21907589]

約数ペア:

[(1, 21907589), (11, 1991599), (19, 1153031), (37, 592097), (209, 104821), (407, 53827), (703, 31163), (2833, 7733)]