21940594

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:634

約数の個数: 24

約数和(自身を含む): 35970480

約数和(自身を除く): 14029886

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 467, 934, 1807, 3614, 6071, 12142, 23491, 46982, 64913, 78923, 129826, 157846, 843869, 1687738, 10970297, 21940594]

約数ペア:

[(1, 21940594), (2, 10970297), (13, 1687738), (26, 843869), (139, 157846), (169, 129826), (278, 78923), (338, 64913), (467, 46982), (934, 23491), (1807, 12142), (3614, 6071)]