21278484

素因数分解:

$2^2\times 3^3\times {\mathrm{197023}}^1$

素因数の和:197036

約数の個数: 24

約数和(自身を含む): 55166720

約数和(自身を除く): 33888236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197023, 394046, 591069, 788092, 1182138, 1773207, 2364276, 3546414, 5319621, 7092828, 10639242, 21278484]

約数ペア:

[(1, 21278484), (2, 10639242), (3, 7092828), (4, 5319621), (6, 3546414), (9, 2364276), (12, 1773207), (18, 1182138), (27, 788092), (36, 591069), (54, 394046), (108, 197023)]