21479556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255709}}^1$

素因数の和:255723

約数の個数: 24

約数和(自身を含む): 57279040

約数和(自身を除く): 35799484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255709, 511418, 767127, 1022836, 1534254, 1789963, 3068508, 3579926, 5369889, 7159852, 10739778, 21479556]

約数ペア:

[(1, 21479556), (2, 10739778), (3, 7159852), (4, 5369889), (6, 3579926), (7, 3068508), (12, 1789963), (14, 1534254), (21, 1022836), (28, 767127), (42, 511418), (84, 255709)]