21152508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135593}}^1$

素因数の和:135613

約数の個数: 24

約数和(自身を含む): 53152848

約数和(自身を除く): 32000340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135593, 271186, 406779, 542372, 813558, 1627116, 1762709, 3525418, 5288127, 7050836, 10576254, 21152508]

約数ペア:

[(1, 21152508), (2, 10576254), (3, 7050836), (4, 5288127), (6, 3525418), (12, 1762709), (13, 1627116), (26, 813558), (39, 542372), (52, 406779), (78, 271186), (156, 135593)]