20211521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3727}}^1$

素因数の和:3784

約数の個数: 16

約数和(自身を含む): 24157440

約数和(自身を除く): 3945919

約数列:

[1, 11, 17, 29, 187, 319, 493, 3727, 5423, 40997, 63359, 108083, 696949, 1188913, 1837411, 20211521]

約数ペア:

[(1, 20211521), (11, 1837411), (17, 1188913), (29, 696949), (187, 108083), (319, 63359), (493, 40997), (3727, 5423)]