21996808

素因数分解:

$2^3\times {\mathrm{881}}^1\times {\mathrm{3121}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 41304060

約数和(自身を除く): 19307252

約数列:

[1, 2, 4, 8, 881, 1762, 3121, 3524, 6242, 7048, 12484, 24968, 2749601, 5499202, 10998404, 21996808]

約数ペア:

[(1, 21996808), (2, 10998404), (4, 5499202), (8, 2749601), (881, 24968), (1762, 12484), (3121, 7048), (3524, 6242)]