21004884

素因数分解:

$2^2\times 3^2\times {\mathrm{583469}}^1$

素因数の和:583479

約数の個数: 18

約数和(自身を含む): 53095770

約数和(自身を除く): 32090886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583469, 1166938, 1750407, 2333876, 3500814, 5251221, 7001628, 10502442, 21004884]

約数ペア:

[(1, 21004884), (2, 10502442), (3, 7001628), (4, 5251221), (6, 3500814), (9, 2333876), (12, 1750407), (18, 1166938), (36, 583469)]