21089001

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{607}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 29018624

約数和(自身を除く): 7929623

約数列:

[1, 3, 37, 111, 313, 607, 939, 1821, 11581, 22459, 34743, 67377, 189991, 569973, 7029667, 21089001]

約数ペア:

[(1, 21089001), (3, 7029667), (37, 569973), (111, 189991), (313, 67377), (607, 34743), (939, 22459), (1821, 11581)]