21681144

素因数分解:

$2^3\times 3^2\times {\mathrm{301127}}^1$

素因数の和:301139

約数の個数: 24

約数和(自身を含む): 58719960

約数和(自身を除く): 37038816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 301127, 602254, 903381, 1204508, 1806762, 2409016, 2710143, 3613524, 5420286, 7227048, 10840572, 21681144]

約数ペア:

[(1, 21681144), (2, 10840572), (3, 7227048), (4, 5420286), (6, 3613524), (8, 2710143), (9, 2409016), (12, 1806762), (18, 1204508), (24, 903381), (36, 602254), (72, 301127)]