21870142

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{5023}}^1$

素因数の和:5343

約数の個数: 16

約数和(自身を含む): 37619712

約数和(自身を除く): 15749570

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 5023, 10046, 35161, 70322, 1562153, 3124306, 10935071, 21870142]

約数ペア:

[(1, 21870142), (2, 10935071), (7, 3124306), (14, 1562153), (311, 70322), (622, 35161), (2177, 10046), (4354, 5023)]