21484692

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13879}}^1$

素因数の和:13932

約数の個数: 36

約数和(自身を含む): 55575520

約数和(自身を除く): 34090828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13879, 27758, 41637, 55516, 83274, 124911, 166548, 249822, 499644, 596797, 1193594, 1790391, 2387188, 3580782, 5371173, 7161564, 10742346, 21484692]

約数ペア:

[(1, 21484692), (2, 10742346), (3, 7161564), (4, 5371173), (6, 3580782), (9, 2387188), (12, 1790391), (18, 1193594), (36, 596797), (43, 499644), (86, 249822), (129, 166548), (172, 124911), (258, 83274), (387, 55516), (516, 41637), (774, 27758), (1548, 13879)]