21282760

素因数分解:

$2^3\times 5^1\times {\mathrm{532069}}^1$

素因数の和:532080

約数の個数: 16

約数和(自身を含む): 47886300

約数和(自身を除く): 26603540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 532069, 1064138, 2128276, 2660345, 4256552, 5320690, 10641380, 21282760]

約数ペア:

[(1, 21282760), (2, 10641380), (4, 5320690), (5, 4256552), (8, 2660345), (10, 2128276), (20, 1064138), (40, 532069)]