21520248

素因数分解:

$2^3\times 3^1\times {\mathrm{896677}}^1$

素因数の和:896686

約数の個数: 16

約数和(自身を含む): 53800680

約数和(自身を除く): 32280432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 896677, 1793354, 2690031, 3586708, 5380062, 7173416, 10760124, 21520248]

約数ペア:

[(1, 21520248), (2, 10760124), (3, 7173416), (4, 5380062), (6, 3586708), (8, 2690031), (12, 1793354), (24, 896677)]