21016986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152297}}^1$

素因数の和:152325

約数の個数: 16

約数和(自身を含む): 43861824

約数和(自身を除く): 22844838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152297, 304594, 456891, 913782, 3502831, 7005662, 10508493, 21016986]

約数ペア:

[(1, 21016986), (2, 10508493), (3, 7005662), (6, 3502831), (23, 913782), (46, 456891), (69, 304594), (138, 152297)]