21016188

素因数分解:

$2^2\times 3^2\times {\mathrm{583783}}^1$

素因数の和:583793

約数の個数: 18

約数和(自身を含む): 53124344

約数和(自身を除く): 32108156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583783, 1167566, 1751349, 2335132, 3502698, 5254047, 7005396, 10508094, 21016188]

約数ペア:

[(1, 21016188), (2, 10508094), (3, 7005396), (4, 5254047), (6, 3502698), (9, 2335132), (12, 1751349), (18, 1167566), (36, 583783)]