21087288

素因数分解:

$2^3\times 3^2\times {\mathrm{292879}}^1$

素因数の和:292891

約数の個数: 24

約数和(自身を含む): 57111600

約数和(自身を除く): 36024312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 292879, 585758, 878637, 1171516, 1757274, 2343032, 2635911, 3514548, 5271822, 7029096, 10543644, 21087288]

約数ペア:

[(1, 21087288), (2, 10543644), (3, 7029096), (4, 5271822), (6, 3514548), (8, 2635911), (9, 2343032), (12, 1757274), (18, 1171516), (24, 878637), (36, 585758), (72, 292879)]