21057663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5647}}^1$

素因数の和:5774

約数の個数: 16

約数和(自身を含む): 30905856

約数和(自身を除く): 9848193

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5647, 16941, 62117, 186351, 638111, 1914333, 7019221, 21057663]

約数ペア:

[(1, 21057663), (3, 7019221), (11, 1914333), (33, 638111), (113, 186351), (339, 62117), (1243, 16941), (3729, 5647)]