21841956

素因数分解:

$2^2\times 3^2\times {\mathrm{606721}}^1$

素因数の和:606731

約数の個数: 18

約数和(自身を含む): 55211702

約数和(自身を除く): 33369746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 606721, 1213442, 1820163, 2426884, 3640326, 5460489, 7280652, 10920978, 21841956]

約数ペア:

[(1, 21841956), (2, 10920978), (3, 7280652), (4, 5460489), (6, 3640326), (9, 2426884), (12, 1820163), (18, 1213442), (36, 606721)]