21082840

素因数分解:

$2^3\times 5^1\times {\mathrm{527071}}^1$

素因数の和:527082

約数の個数: 16

約数和(自身を含む): 47436480

約数和(自身を除く): 26353640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527071, 1054142, 2108284, 2635355, 4216568, 5270710, 10541420, 21082840]

約数ペア:

[(1, 21082840), (2, 10541420), (4, 5270710), (5, 4216568), (8, 2635355), (10, 2108284), (20, 1054142), (40, 527071)]