21376485

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36541}}^1$

素因数の和:36565

約数の個数: 24

約数和(自身を含む): 39903864

約数和(自身を除く): 18527379

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36541, 109623, 182705, 328869, 475033, 548115, 1425099, 1644345, 2375165, 4275297, 7125495, 21376485]

約数ペア:

[(1, 21376485), (3, 7125495), (5, 4275297), (9, 2375165), (13, 1644345), (15, 1425099), (39, 548115), (45, 475033), (65, 328869), (117, 182705), (195, 109623), (585, 36541)]