21240756

素因数分解:

$2^2\times 3^2\times {\mathrm{590021}}^1$

素因数の和:590031

約数の個数: 18

約数和(自身を含む): 53692002

約数和(自身を除く): 32451246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 590021, 1180042, 1770063, 2360084, 3540126, 5310189, 7080252, 10620378, 21240756]

約数ペア:

[(1, 21240756), (2, 10620378), (3, 7080252), (4, 5310189), (6, 3540126), (9, 2360084), (12, 1770063), (18, 1180042), (36, 590021)]