21073305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127717}}^1$

素因数の和:127736

約数の個数: 16

約数和(自身を含む): 36782784

約数和(自身を除く): 15709479

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127717, 383151, 638585, 1404887, 1915755, 4214661, 7024435, 21073305]

約数ペア:

[(1, 21073305), (3, 7024435), (5, 4214661), (11, 1915755), (15, 1404887), (33, 638585), (55, 383151), (165, 127717)]