21876085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56821}}^1$

素因数の和:56844

約数の個数: 16

約数和(自身を含む): 32729472

約数和(自身を除く): 10853387

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 56821, 284105, 397747, 625031, 1988735, 3125155, 4375217, 21876085]

約数ペア:

[(1, 21876085), (5, 4375217), (7, 3125155), (11, 1988735), (35, 625031), (55, 397747), (77, 284105), (385, 56821)]