21330842

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:534

約数の個数: 24

約数和(自身を含む): 34925184

約数和(自身を除く): 13594342

約数列:

[1, 2, 13, 26, 169, 223, 283, 338, 446, 566, 2899, 3679, 5798, 7358, 37687, 47827, 63109, 75374, 95654, 126218, 820417, 1640834, 10665421, 21330842]

約数ペア:

[(1, 21330842), (2, 10665421), (13, 1640834), (26, 820417), (169, 126218), (223, 95654), (283, 75374), (338, 63109), (446, 47827), (566, 37687), (2899, 7358), (3679, 5798)]