21184331

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 24987648

約数和(自身を除く): 3803317

約数列:

[1, 7, 41, 223, 287, 331, 1561, 2317, 9143, 13571, 64001, 73813, 94997, 516691, 3026333, 21184331]

約数ペア:

[(1, 21184331), (7, 3026333), (41, 516691), (223, 94997), (287, 73813), (331, 64001), (1561, 13571), (2317, 9143)]