21147732

素因数分解:

$2^2\times 3^2\times {\mathrm{587437}}^1$

素因数の和:587447

約数の個数: 18

約数和(自身を含む): 53456858

約数和(自身を除く): 32309126

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587437, 1174874, 1762311, 2349748, 3524622, 5286933, 7049244, 10573866, 21147732]

約数ペア:

[(1, 21147732), (2, 10573866), (3, 7049244), (4, 5286933), (6, 3524622), (9, 2349748), (12, 1762311), (18, 1174874), (36, 587437)]