21000751944

素因数分解:

$2^3\times 3^1\times {\mathrm{875031331}}^1$

素因数の和:875031340

約数の個数: 16

約数和(自身を含む): 52501879920

約数和(自身を除く): 31501127976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875031331, 1750062662, 2625093993, 3500125324, 5250187986, 7000250648, 10500375972, 21000751944]

約数ペア:

[(1, 21000751944), (2, 10500375972), (3, 7000250648), (4, 5250187986), (6, 3500125324), (8, 2625093993), (12, 1750062662), (24, 875031331)]