21340893

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13921}}^1$

素因数の和:14004

約数の個数: 16

約数和(自身を含む): 32967296

約数和(自身を除く): 11626403

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13921, 41763, 97447, 292341, 1016233, 3048699, 7113631, 21340893]

約数ペア:

[(1, 21340893), (3, 7113631), (7, 3048699), (21, 1016233), (73, 292341), (219, 97447), (511, 41763), (1533, 13921)]