21085436

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 38755920

約数和(自身を除く): 17670484

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2713, 3886, 5426, 7772, 10852, 78677, 157354, 181771, 314708, 363542, 727084, 5271359, 10542718, 21085436]

約数ペア:

[(1, 21085436), (2, 10542718), (4, 5271359), (29, 727084), (58, 363542), (67, 314708), (116, 181771), (134, 157354), (268, 78677), (1943, 10852), (2713, 7772), (3886, 5426)]