21591468

素因数分解:

$2^2\times 3^3\times {\mathrm{199921}}^1$

素因数の和:199934

約数の個数: 24

約数和(自身を含む): 55978160

約数和(自身を除く): 34386692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199921, 399842, 599763, 799684, 1199526, 1799289, 2399052, 3598578, 5397867, 7197156, 10795734, 21591468]

約数ペア:

[(1, 21591468), (2, 10795734), (3, 7197156), (4, 5397867), (6, 3598578), (9, 2399052), (12, 1799289), (18, 1199526), (27, 799684), (36, 599763), (54, 399842), (108, 199921)]