21439260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119107}}^1$

素因数の和:119122

約数の個数: 36

約数和(自身を含む): 65032968

約数和(自身を除く): 43593708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119107, 238214, 357321, 476428, 595535, 714642, 1071963, 1191070, 1429284, 1786605, 2143926, 2382140, 3573210, 4287852, 5359815, 7146420, 10719630, 21439260]

約数ペア:

[(1, 21439260), (2, 10719630), (3, 7146420), (4, 5359815), (5, 4287852), (6, 3573210), (9, 2382140), (10, 2143926), (12, 1786605), (15, 1429284), (18, 1191070), (20, 1071963), (30, 714642), (36, 595535), (45, 476428), (60, 357321), (90, 238214), (180, 119107)]