21082760

素因数分解:

$2^3\times 5^1\times {\mathrm{527069}}^1$

素因数の和:527080

約数の個数: 16

約数和(自身を含む): 47436300

約数和(自身を除く): 26353540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527069, 1054138, 2108276, 2635345, 4216552, 5270690, 10541380, 21082760]

約数ペア:

[(1, 21082760), (2, 10541380), (4, 5270690), (5, 4216552), (8, 2635345), (10, 2108276), (20, 1054138), (40, 527069)]