21278568

素因数分解:

$2^3\times 3^1\times {\mathrm{886607}}^1$

素因数の和:886616

約数の個数: 16

約数和(自身を含む): 53196480

約数和(自身を除く): 31917912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 886607, 1773214, 2659821, 3546428, 5319642, 7092856, 10639284, 21278568]

約数ペア:

[(1, 21278568), (2, 10639284), (3, 7092856), (4, 5319642), (6, 3546428), (8, 2659821), (12, 1773214), (24, 886607)]