21373755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109609}}^1$

素因数の和:109630

約数の個数: 16

約数和(自身を含む): 36828960

約数和(自身を除く): 15455205

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 109609, 328827, 548045, 1424917, 1644135, 4274751, 7124585, 21373755]

約数ペア:

[(1, 21373755), (3, 7124585), (5, 4274751), (13, 1644135), (15, 1424917), (39, 548045), (65, 328827), (195, 109609)]