21255732

素因数分解:

$2^2\times 3^2\times {\mathrm{590437}}^1$

素因数の和:590447

約数の個数: 18

約数和(自身を含む): 53729858

約数和(自身を除く): 32474126

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 590437, 1180874, 1771311, 2361748, 3542622, 5313933, 7085244, 10627866, 21255732]

約数ペア:

[(1, 21255732), (2, 10627866), (3, 7085244), (4, 5313933), (6, 3542622), (9, 2361748), (12, 1771311), (18, 1180874), (36, 590437)]