21306288

素因数分解:

$2^4\times 3^1\times {\mathrm{443881}}^1$

素因数の和:443892

約数の個数: 20

約数和(自身を含む): 55041368

約数和(自身を除く): 33735080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443881, 887762, 1331643, 1775524, 2663286, 3551048, 5326572, 7102096, 10653144, 21306288]

約数ペア:

[(1, 21306288), (2, 10653144), (3, 7102096), (4, 5326572), (6, 3551048), (8, 2663286), (12, 1775524), (16, 1331643), (24, 887762), (48, 443881)]