21528318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{512579}}^1$

素因数の和:512591

約数の個数: 16

約数和(自身を含む): 49207680

約数和(自身を除く): 27679362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 512579, 1025158, 1537737, 3075474, 3588053, 7176106, 10764159, 21528318]

約数ペア:

[(1, 21528318), (2, 10764159), (3, 7176106), (6, 3588053), (7, 3075474), (14, 1537737), (21, 1025158), (42, 512579)]