21958712

素因数分解:

$2^3\times {\mathrm{1319}}^1\times {\mathrm{2081}}^1$

素因数の和:3406

約数の個数: 16

約数和(自身を含む): 41223600

約数和(自身を除く): 19264888

約数列:

[1, 2, 4, 8, 1319, 2081, 2638, 4162, 5276, 8324, 10552, 16648, 2744839, 5489678, 10979356, 21958712]

約数ペア:

[(1, 21958712), (2, 10979356), (4, 5489678), (8, 2744839), (1319, 16648), (2081, 10552), (2638, 8324), (4162, 5276)]