21336007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 26705664

約数和(自身を除く): 5369657

約数列:

[1, 7, 11, 77, 401, 691, 2807, 4411, 4837, 7601, 30877, 53207, 277091, 1939637, 3048001, 21336007]

約数ペア:

[(1, 21336007), (7, 3048001), (11, 1939637), (77, 277091), (401, 53207), (691, 30877), (2807, 7601), (4411, 4837)]