21201333

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{467}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 29165760

約数和(自身を除く): 7964427

約数列:

[1, 3, 37, 111, 409, 467, 1227, 1401, 15133, 17279, 45399, 51837, 191003, 573009, 7067111, 21201333]

約数ペア:

[(1, 21201333), (3, 7067111), (37, 573009), (111, 191003), (409, 51837), (467, 45399), (1227, 17279), (1401, 15133)]